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Finding the Fourth Proportional to 8,749, 13,125.66 and 2,593

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Solution

The fourth proportional to 8,749, 13,125.66 and 2,593 is: 3,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749 : 13,125.66 = 2,593 : x
  2. Step 2: Convert to fraction form
    8,749/13,125.66 = 2,593/x
  3. Step 3: Cross multiply
    8,749x = 13,125.66 × 2,593
  4. Step 4: Simplify right side
    8,749x = 34,034,836.38
  5. Step 5: Solve for x
    x = 34,034,836.38/8,749
  6. Step 6: Final answer
    x = 3,890.14

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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.