Home / 8,819.93-13,229.94-2,976.59

Finding the Fourth Proportional to 8,819.93, 13,229.94 and 2,976.59

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Solution

The fourth proportional to 8,819.93, 13,229.94 and 2,976.59 is: 4,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.93 : 13,229.94 = 2,976.59 : x
  2. Step 2: Convert to fraction form
    8,819.93/13,229.94 = 2,976.59/x
  3. Step 3: Cross multiply
    8,819.93x = 13,229.94 × 2,976.59
  4. Step 4: Simplify right side
    8,819.93x = 39,380,107.10
  5. Step 5: Solve for x
    x = 39,380,107.10/8,819.93
  6. Step 6: Final answer
    x = 4,464.90

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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.