Home / 8,074.16-11,142.49-4,489.42

Finding the Fourth Proportional to 8,074.16, 11,142.49 and 4,489.42

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Solution

The fourth proportional to 8,074.16, 11,142.49 and 4,489.42 is: 6,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.16 : 11,142.49 = 4,489.42 : x
  2. Step 2: Convert to fraction form
    8,074.16/11,142.49 = 4,489.42/x
  3. Step 3: Cross multiply
    8,074.16x = 11,142.49 × 4,489.42
  4. Step 4: Simplify right side
    8,074.16x = 50,023,278.38
  5. Step 5: Solve for x
    x = 50,023,278.38/8,074.16
  6. Step 6: Final answer
    x = 6,195.48

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Half scale
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Double scale
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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.