Home / 5,517.38-8,277.69-2,228.78

Finding the Fourth Proportional to 5,517.38, 8,277.69 and 2,228.78

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Solution

The fourth proportional to 5,517.38, 8,277.69 and 2,228.78 is: 3,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.38 : 8,277.69 = 2,228.78 : x
  2. Step 2: Convert to fraction form
    5,517.38/8,277.69 = 2,228.78/x
  3. Step 3: Cross multiply
    5,517.38x = 8,277.69 × 2,228.78
  4. Step 4: Simplify right side
    5,517.38x = 18,449,149.92
  5. Step 5: Solve for x
    x = 18,449,149.92/5,517.38
  6. Step 6: Final answer
    x = 3,343.82

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1.5x scale

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.