Home / 8,182.28-11,292.73-5,920.97

Finding the Fourth Proportional to 8,182.28, 11,292.73 and 5,920.97

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Solution

The fourth proportional to 8,182.28, 11,292.73 and 5,920.97 is: 8,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.28 : 11,292.73 = 5,920.97 : x
  2. Step 2: Convert to fraction form
    8,182.28/11,292.73 = 5,920.97/x
  3. Step 3: Cross multiply
    8,182.28x = 11,292.73 × 5,920.97
  4. Step 4: Simplify right side
    8,182.28x = 66,863,844.28
  5. Step 5: Solve for x
    x = 66,863,844.28/8,182.28
  6. Step 6: Final answer
    x = 8,171.78

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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.