Home / 8,819.98-13,229.15-2,976.64

Finding the Fourth Proportional to 8,819.98, 13,229.15 and 2,976.64

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Solution

The fourth proportional to 8,819.98, 13,229.15 and 2,976.64 is: 4,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.98 : 13,229.15 = 2,976.64 : x
  2. Step 2: Convert to fraction form
    8,819.98/13,229.15 = 2,976.64/x
  3. Step 3: Cross multiply
    8,819.98x = 13,229.15 × 2,976.64
  4. Step 4: Simplify right side
    8,819.98x = 39,378,350.91
  5. Step 5: Solve for x
    x = 39,378,350.91/8,819.98
  6. Step 6: Final answer
    x = 4,464.68

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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.