Home / 8,819.76-13,230.05-2,976.42

Finding the Fourth Proportional to 8,819.76, 13,230.05 and 2,976.42

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Solution

The fourth proportional to 8,819.76, 13,230.05 and 2,976.42 is: 4,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.76 : 13,230.05 = 2,976.42 : x
  2. Step 2: Convert to fraction form
    8,819.76/13,230.05 = 2,976.42/x
  3. Step 3: Cross multiply
    8,819.76x = 13,230.05 × 2,976.42
  4. Step 4: Simplify right side
    8,819.76x = 39,378,170.54
  5. Step 5: Solve for x
    x = 39,378,170.54/8,819.76
  6. Step 6: Final answer
    x = 4,464.77

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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.