Use the form below to do your conversion.
Solution
Step1
Log74207=Log(4207) ÷ Log(7)
Log(4207)= 3.623972512017
Log(7)=0.84509804001426
Log74207=3.623972512017 ÷ 0.84509804001426
Ans=4.2882273303531
Step2
Alternatively, the logarithm can be calculated like this.