Finding the Fourth Proportional to 7,377, 10,156.75 and 6,873.99
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Solution
The fourth proportional to 7,377, 10,156.75 and 6,873.99 is: 9,464.20
Step by Step Solution
- Step 1: Write the proportion equation
7,377 : 10,156.75 = 6,873.99 : x - Step 2: Convert to fraction form
7,377/10,156.75 = 6,873.99/x - Step 3: Cross multiply
7,377x = 10,156.75 × 6,873.99 - Step 4: Simplify right side
7,377x = 69,817,397.93 - Step 5: Solve for x
x = 69,817,397.93/7,377 - Step 6: Final answer
x = 9,464.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.