Home / 8,028.28-11,079.56-4,491.80

Finding the Fourth Proportional to 8,028.28, 11,079.56 and 4,491.80

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Solution

The fourth proportional to 8,028.28, 11,079.56 and 4,491.80 is: 6,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.28 : 11,079.56 = 4,491.80 : x
  2. Step 2: Convert to fraction form
    8,028.28/11,079.56 = 4,491.80/x
  3. Step 3: Cross multiply
    8,028.28x = 11,079.56 × 4,491.80
  4. Step 4: Simplify right side
    8,028.28x = 49,767,167.61
  5. Step 5: Solve for x
    x = 49,767,167.61/8,028.28
  6. Step 6: Final answer
    x = 6,198.98

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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.