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Finding the Fourth Proportional to 6,887.72, 10,331.60 and 2,502.40

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Solution

The fourth proportional to 6,887.72, 10,331.60 and 2,502.40 is: 3,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.72 : 10,331.60 = 2,502.40 : x
  2. Step 2: Convert to fraction form
    6,887.72/10,331.60 = 2,502.40/x
  3. Step 3: Cross multiply
    6,887.72x = 10,331.60 × 2,502.40
  4. Step 4: Simplify right side
    6,887.72x = 25,853,795.84
  5. Step 5: Solve for x
    x = 25,853,795.84/6,887.72
  6. Step 6: Final answer
    x = 3,753.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.