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Finding the Fourth Proportional to 9,082.74, 13,624.20 and 2,508.78

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Solution

The fourth proportional to 9,082.74, 13,624.20 and 2,508.78 is: 3,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.74 : 13,624.20 = 2,508.78 : x
  2. Step 2: Convert to fraction form
    9,082.74/13,624.20 = 2,508.78/x
  3. Step 3: Cross multiply
    9,082.74x = 13,624.20 × 2,508.78
  4. Step 4: Simplify right side
    9,082.74x = 34,180,120.48
  5. Step 5: Solve for x
    x = 34,180,120.48/9,082.74
  6. Step 6: Final answer
    x = 3,763.19

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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.