Finding the Fourth Proportional to 4.67, 6.97 and 4
Calculator
Solution
The fourth proportional to 4.67, 6.97 and 4 is: 5.97
Step by Step Solution
- Step 1: Write the proportion equation
4.67 : 6.97 = 4 : x - Step 2: Convert to fraction form
4.67/6.97 = 4/x - Step 3: Cross multiply
4.67x = 6.97 × 4 - Step 4: Simplify right side
4.67x = 27.88 - Step 5: Solve for x
x = 27.88/4.67 - Step 6: Final answer
x = 5.97
Related Problems
Find fourth proportional to 2.34, 3.49 and 2
Half scale
Find fourth proportional to 9.34, 13.94 and 8
Double scale
Find fourth proportional to 5.67, 8.46 and 5
Similar ratio
Find fourth proportional to 7.01, 10.46 and 6
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.