Home / 8,149.28-12,228.03-3,769.88

Finding the Fourth Proportional to 8,149.28, 12,228.03 and 3,769.88

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Solution

The fourth proportional to 8,149.28, 12,228.03 and 3,769.88 is: 5,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.28 : 12,228.03 = 3,769.88 : x
  2. Step 2: Convert to fraction form
    8,149.28/12,228.03 = 3,769.88/x
  3. Step 3: Cross multiply
    8,149.28x = 12,228.03 × 3,769.88
  4. Step 4: Simplify right side
    8,149.28x = 46,098,144.60
  5. Step 5: Solve for x
    x = 46,098,144.60/8,149.28
  6. Step 6: Final answer
    x = 5,656.72

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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.