Home / 5,162.97-7,122.61-3,065.88

Finding the Fourth Proportional to 5,162.97, 7,122.61 and 3,065.88

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Solution

The fourth proportional to 5,162.97, 7,122.61 and 3,065.88 is: 4,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.97 : 7,122.61 = 3,065.88 : x
  2. Step 2: Convert to fraction form
    5,162.97/7,122.61 = 3,065.88/x
  3. Step 3: Cross multiply
    5,162.97x = 7,122.61 × 3,065.88
  4. Step 4: Simplify right side
    5,162.97x = 21,837,067.55
  5. Step 5: Solve for x
    x = 21,837,067.55/5,162.97
  6. Step 6: Final answer
    x = 4,229.56

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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.