Home / 5,002-7,519.20-4,641.28

Finding the Fourth Proportional to 5,002, 7,519.20 and 4,641.28

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Solution

The fourth proportional to 5,002, 7,519.20 and 4,641.28 is: 6,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002 : 7,519.20 = 4,641.28 : x
  2. Step 2: Convert to fraction form
    5,002/7,519.20 = 4,641.28/x
  3. Step 3: Cross multiply
    5,002x = 7,519.20 × 4,641.28
  4. Step 4: Simplify right side
    5,002x = 34,898,712.58
  5. Step 5: Solve for x
    x = 34,898,712.58/5,002
  6. Step 6: Final answer
    x = 6,976.95

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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.