Finding the Fourth Proportional to 7.73, 11.58 and 6
Calculator
Solution
The fourth proportional to 7.73, 11.58 and 6 is: 8.99
Step by Step Solution
- Step 1: Write the proportion equation
7.73 : 11.58 = 6 : x - Step 2: Convert to fraction form
7.73/11.58 = 6/x - Step 3: Cross multiply
7.73x = 11.58 × 6 - Step 4: Simplify right side
7.73x = 69.48 - Step 5: Solve for x
x = 69.48/7.73 - Step 6: Final answer
x = 8.99
Related Problems
Find fourth proportional to 3.86, 5.79 and 3
Half scale
Find fourth proportional to 15.45, 23.16 and 12
Double scale
Find fourth proportional to 8.73, 13.08 and 7
Similar ratio
Find fourth proportional to 11.59, 17.37 and 9
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.