Home / 8,105.38-12,158.08-2,262.14

Finding the Fourth Proportional to 8,105.38, 12,158.08 and 2,262.14

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Solution

The fourth proportional to 8,105.38, 12,158.08 and 2,262.14 is: 3,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.38 : 12,158.08 = 2,262.14 : x
  2. Step 2: Convert to fraction form
    8,105.38/12,158.08 = 2,262.14/x
  3. Step 3: Cross multiply
    8,105.38x = 12,158.08 × 2,262.14
  4. Step 4: Simplify right side
    8,105.38x = 27,503,279.09
  5. Step 5: Solve for x
    x = 27,503,279.09/8,105.38
  6. Step 6: Final answer
    x = 3,393.21

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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.