Home / 8,728.38-13,092.33-2,154.42

Finding the Fourth Proportional to 8,728.38, 13,092.33 and 2,154.42

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Solution

The fourth proportional to 8,728.38, 13,092.33 and 2,154.42 is: 3,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.38 : 13,092.33 = 2,154.42 : x
  2. Step 2: Convert to fraction form
    8,728.38/13,092.33 = 2,154.42/x
  3. Step 3: Cross multiply
    8,728.38x = 13,092.33 × 2,154.42
  4. Step 4: Simplify right side
    8,728.38x = 28,206,377.60
  5. Step 5: Solve for x
    x = 28,206,377.60/8,728.38
  6. Step 6: Final answer
    x = 3,231.57

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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.