How do you write an equivalent logarithmic equation of #e^x=4#? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer Douglas K. Oct 20, 2016 Take the natural log of both sides: #x = ln(4)# Answer link Related questions What is the natural log of e? What is the natural log of 2? How do I do natural logs on a TI-83? How do I find the natural log of a fraction? What is the natural log of 1? What is the natural log of infinity? Can I find the natural log of a negative number? How do I find a natural log without a calculator? How do I find the natural log of a given number by using a calculator? How do I do natural logs on a TI-84? See all questions in Natural Logs Impact of this question 1361 views around the world You can reuse this answer Creative Commons License