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Finding the Fourth Proportional to 8,581.52, 12,873.30 and 3,033.72

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Solution

The fourth proportional to 8,581.52, 12,873.30 and 3,033.72 is: 4,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.52 : 12,873.30 = 3,033.72 : x
  2. Step 2: Convert to fraction form
    8,581.52/12,873.30 = 3,033.72/x
  3. Step 3: Cross multiply
    8,581.52x = 12,873.30 × 3,033.72
  4. Step 4: Simplify right side
    8,581.52x = 39,053,987.68
  5. Step 5: Solve for x
    x = 39,053,987.68/8,581.52
  6. Step 6: Final answer
    x = 4,550.94

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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.