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Finding the Fourth Proportional to 8,877, 13,318.11 and 2,637.03

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Solution

The fourth proportional to 8,877, 13,318.11 and 2,637.03 is: 3,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877 : 13,318.11 = 2,637.03 : x
  2. Step 2: Convert to fraction form
    8,877/13,318.11 = 2,637.03/x
  3. Step 3: Cross multiply
    8,877x = 13,318.11 × 2,637.03
  4. Step 4: Simplify right side
    8,877x = 35,120,255.61
  5. Step 5: Solve for x
    x = 35,120,255.61/8,877
  6. Step 6: Final answer
    x = 3,956.32

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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.