Home / 5,182.13-7,773.17-1,286.53

Finding the Fourth Proportional to 5,182.13, 7,773.17 and 1,286.53

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Solution

The fourth proportional to 5,182.13, 7,773.17 and 1,286.53 is: 1,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.13 : 7,773.17 = 1,286.53 : x
  2. Step 2: Convert to fraction form
    5,182.13/7,773.17 = 1,286.53/x
  3. Step 3: Cross multiply
    5,182.13x = 7,773.17 × 1,286.53
  4. Step 4: Simplify right side
    5,182.13x = 10,000,434.26
  5. Step 5: Solve for x
    x = 10,000,434.26/5,182.13
  6. Step 6: Final answer
    x = 1,929.79

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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.