Home / 5,545.28-8,321.52-2,082.50

Finding the Fourth Proportional to 5,545.28, 8,321.52 and 2,082.50

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Solution

The fourth proportional to 5,545.28, 8,321.52 and 2,082.50 is: 3,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.28 : 8,321.52 = 2,082.50 : x
  2. Step 2: Convert to fraction form
    5,545.28/8,321.52 = 2,082.50/x
  3. Step 3: Cross multiply
    5,545.28x = 8,321.52 × 2,082.50
  4. Step 4: Simplify right side
    5,545.28x = 17,329,565.40
  5. Step 5: Solve for x
    x = 17,329,565.40/5,545.28
  6. Step 6: Final answer
    x = 3,125.10

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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.