Home / 8,028.64-11,079.36-4,491.88

Finding the Fourth Proportional to 8,028.64, 11,079.36 and 4,491.88

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Solution

The fourth proportional to 8,028.64, 11,079.36 and 4,491.88 is: 6,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.64 : 11,079.36 = 4,491.88 : x
  2. Step 2: Convert to fraction form
    8,028.64/11,079.36 = 4,491.88/x
  3. Step 3: Cross multiply
    8,028.64x = 11,079.36 × 4,491.88
  4. Step 4: Simplify right side
    8,028.64x = 49,767,155.60
  5. Step 5: Solve for x
    x = 49,767,155.60/8,028.64
  6. Step 6: Final answer
    x = 6,198.70

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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.