Home / 5,182.16-7,151.57-2,943.97

Finding the Fourth Proportional to 5,182.16, 7,151.57 and 2,943.97

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Solution

The fourth proportional to 5,182.16, 7,151.57 and 2,943.97 is: 4,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.16 : 7,151.57 = 2,943.97 : x
  2. Step 2: Convert to fraction form
    5,182.16/7,151.57 = 2,943.97/x
  3. Step 3: Cross multiply
    5,182.16x = 7,151.57 × 2,943.97
  4. Step 4: Simplify right side
    5,182.16x = 21,053,974.93
  5. Step 5: Solve for x
    x = 21,053,974.93/5,182.16
  6. Step 6: Final answer
    x = 4,062.78

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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.