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Finding the Fourth Proportional to 6,657.24, 9,916.08 and 6,320.28

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Solution

The fourth proportional to 6,657.24, 9,916.08 and 6,320.28 is: 9,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.24 : 9,916.08 = 6,320.28 : x
  2. Step 2: Convert to fraction form
    6,657.24/9,916.08 = 6,320.28/x
  3. Step 3: Cross multiply
    6,657.24x = 9,916.08 × 6,320.28
  4. Step 4: Simplify right side
    6,657.24x = 62,672,402.10
  5. Step 5: Solve for x
    x = 62,672,402.10/6,657.24
  6. Step 6: Final answer
    x = 9,414.17

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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.