Home / 8,028.38-11,079.32-4,491.59

Finding the Fourth Proportional to 8,028.38, 11,079.32 and 4,491.59

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Solution

The fourth proportional to 8,028.38, 11,079.32 and 4,491.59 is: 6,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.38 : 11,079.32 = 4,491.59 : x
  2. Step 2: Convert to fraction form
    8,028.38/11,079.32 = 4,491.59/x
  3. Step 3: Cross multiply
    8,028.38x = 11,079.32 × 4,491.59
  4. Step 4: Simplify right side
    8,028.38x = 49,763,685.06
  5. Step 5: Solve for x
    x = 49,763,685.06/8,028.38
  6. Step 6: Final answer
    x = 6,198.47

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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.