Home / 8,219.28-12,332.03-4,934.66

Finding the Fourth Proportional to 8,219.28, 12,332.03 and 4,934.66

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Solution

The fourth proportional to 8,219.28, 12,332.03 and 4,934.66 is: 7,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.28 : 12,332.03 = 4,934.66 : x
  2. Step 2: Convert to fraction form
    8,219.28/12,332.03 = 4,934.66/x
  3. Step 3: Cross multiply
    8,219.28x = 12,332.03 × 4,934.66
  4. Step 4: Simplify right side
    8,219.28x = 60,854,288.83
  5. Step 5: Solve for x
    x = 60,854,288.83/8,219.28
  6. Step 6: Final answer
    x = 7,403.85

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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.