Home / 5,182.42-7,761.24-2,838.90

Finding the Fourth Proportional to 5,182.42, 7,761.24 and 2,838.90

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Solution

The fourth proportional to 5,182.42, 7,761.24 and 2,838.90 is: 4,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.42 : 7,761.24 = 2,838.90 : x
  2. Step 2: Convert to fraction form
    5,182.42/7,761.24 = 2,838.90/x
  3. Step 3: Cross multiply
    5,182.42x = 7,761.24 × 2,838.90
  4. Step 4: Simplify right side
    5,182.42x = 22,033,384.24
  5. Step 5: Solve for x
    x = 22,033,384.24/5,182.42
  6. Step 6: Final answer
    x = 4,251.56

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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.