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Finding the Fourth Proportional to 8,549.04, 12,819.02 and 4,387.36

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Solution

The fourth proportional to 8,549.04, 12,819.02 and 4,387.36 is: 6,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.04 : 12,819.02 = 4,387.36 : x
  2. Step 2: Convert to fraction form
    8,549.04/12,819.02 = 4,387.36/x
  3. Step 3: Cross multiply
    8,549.04x = 12,819.02 × 4,387.36
  4. Step 4: Simplify right side
    8,549.04x = 56,241,655.59
  5. Step 5: Solve for x
    x = 56,241,655.59/8,549.04
  6. Step 6: Final answer
    x = 6,578.71

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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.