Finding the Fourth Proportional to 7,860.96, 11,791.60 and 6,293.70
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Solution
The fourth proportional to 7,860.96, 11,791.60 and 6,293.70 is: 9,440.68
Step by Step Solution
- Step 1: Write the proportion equation
7,860.96 : 11,791.60 = 6,293.70 : x - Step 2: Convert to fraction form
7,860.96/11,791.60 = 6,293.70/x - Step 3: Cross multiply
7,860.96x = 11,791.60 × 6,293.70 - Step 4: Simplify right side
7,860.96x = 74,212,792.92 - Step 5: Solve for x
x = 74,212,792.92/7,860.96 - Step 6: Final answer
x = 9,440.68
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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.