Home / 4,002.28-5,523.10-2,209.78

Finding the Fourth Proportional to 4,002.28, 5,523.10 and 2,209.78

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Solution

The fourth proportional to 4,002.28, 5,523.10 and 2,209.78 is: 3,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.28 : 5,523.10 = 2,209.78 : x
  2. Step 2: Convert to fraction form
    4,002.28/5,523.10 = 2,209.78/x
  3. Step 3: Cross multiply
    4,002.28x = 5,523.10 × 2,209.78
  4. Step 4: Simplify right side
    4,002.28x = 12,204,835.92
  5. Step 5: Solve for x
    x = 12,204,835.92/4,002.28
  6. Step 6: Final answer
    x = 3,049.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.