Home / 8,158.92-12,240.18-2,964.75

Finding the Fourth Proportional to 8,158.92, 12,240.18 and 2,964.75

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Solution

The fourth proportional to 8,158.92, 12,240.18 and 2,964.75 is: 4,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.92 : 12,240.18 = 2,964.75 : x
  2. Step 2: Convert to fraction form
    8,158.92/12,240.18 = 2,964.75/x
  3. Step 3: Cross multiply
    8,158.92x = 12,240.18 × 2,964.75
  4. Step 4: Simplify right side
    8,158.92x = 36,289,073.66
  5. Step 5: Solve for x
    x = 36,289,073.66/8,158.92
  6. Step 6: Final answer
    x = 4,447.78

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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.