Finding the Fourth Proportional to 7,948.26, 11,923.65 and 2,400.92
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Solution
The fourth proportional to 7,948.26, 11,923.65 and 2,400.92 is: 3,601.75
Step by Step Solution
- Step 1: Write the proportion equation
7,948.26 : 11,923.65 = 2,400.92 : x - Step 2: Convert to fraction form
7,948.26/11,923.65 = 2,400.92/x - Step 3: Cross multiply
7,948.26x = 11,923.65 × 2,400.92 - Step 4: Simplify right side
7,948.26x = 28,627,658.14 - Step 5: Solve for x
x = 28,627,658.14/7,948.26 - Step 6: Final answer
x = 3,601.75
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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.