Use the form below to do your conversion.
Solution
Step1
Log78471=Log(8471) ÷ Log(7)
Log(8471)= 3.9279346817412
Log(7)=0.84509804001426
Log78471=3.9279346817412 ÷ 0.84509804001426
Ans=4.647904143376
Step2
Alternatively, the logarithm can be calculated like this.