Home / 5,182.56-7,766.28-2,581.92

Finding the Fourth Proportional to 5,182.56, 7,766.28 and 2,581.92

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Solution

The fourth proportional to 5,182.56, 7,766.28 and 2,581.92 is: 3,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.56 : 7,766.28 = 2,581.92 : x
  2. Step 2: Convert to fraction form
    5,182.56/7,766.28 = 2,581.92/x
  3. Step 3: Cross multiply
    5,182.56x = 7,766.28 × 2,581.92
  4. Step 4: Simplify right side
    5,182.56x = 20,051,913.66
  5. Step 5: Solve for x
    x = 20,051,913.66/5,182.56
  6. Step 6: Final answer
    x = 3,869.11

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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.