Home / 4,229.20-6,332.86-2,763.91

Finding the Fourth Proportional to 4,229.20, 6,332.86 and 2,763.91

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Solution

The fourth proportional to 4,229.20, 6,332.86 and 2,763.91 is: 4,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.20 : 6,332.86 = 2,763.91 : x
  2. Step 2: Convert to fraction form
    4,229.20/6,332.86 = 2,763.91/x
  3. Step 3: Cross multiply
    4,229.20x = 6,332.86 × 2,763.91
  4. Step 4: Simplify right side
    4,229.20x = 17,503,455.08
  5. Step 5: Solve for x
    x = 17,503,455.08/4,229.20
  6. Step 6: Final answer
    x = 4,138.72

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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.