Home / 5,082.72-7,617.20-3,230.88

Finding the Fourth Proportional to 5,082.72, 7,617.20 and 3,230.88

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Solution

The fourth proportional to 5,082.72, 7,617.20 and 3,230.88 is: 4,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.72 : 7,617.20 = 3,230.88 : x
  2. Step 2: Convert to fraction form
    5,082.72/7,617.20 = 3,230.88/x
  3. Step 3: Cross multiply
    5,082.72x = 7,617.20 × 3,230.88
  4. Step 4: Simplify right side
    5,082.72x = 24,610,259.14
  5. Step 5: Solve for x
    x = 24,610,259.14/5,082.72
  6. Step 6: Final answer
    x = 4,841.95

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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.