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Finding the Fourth Proportional to 8,903, 13,354.68 and 2,747

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Solution

The fourth proportional to 8,903, 13,354.68 and 2,747 is: 4,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903 : 13,354.68 = 2,747 : x
  2. Step 2: Convert to fraction form
    8,903/13,354.68 = 2,747/x
  3. Step 3: Cross multiply
    8,903x = 13,354.68 × 2,747
  4. Step 4: Simplify right side
    8,903x = 36,685,305.96
  5. Step 5: Solve for x
    x = 36,685,305.96/8,903
  6. Step 6: Final answer
    x = 4,120.56

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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.