Home / 8,156.62-12,234.91-2,313.28

Finding the Fourth Proportional to 8,156.62, 12,234.91 and 2,313.28

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Solution

The fourth proportional to 8,156.62, 12,234.91 and 2,313.28 is: 3,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.62 : 12,234.91 = 2,313.28 : x
  2. Step 2: Convert to fraction form
    8,156.62/12,234.91 = 2,313.28/x
  3. Step 3: Cross multiply
    8,156.62x = 12,234.91 × 2,313.28
  4. Step 4: Simplify right side
    8,156.62x = 28,302,772.60
  5. Step 5: Solve for x
    x = 28,302,772.60/8,156.62
  6. Step 6: Final answer
    x = 3,469.91

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Similar ratio
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1.5x scale

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.