Home / 5,158.38-7,726.86-2,517.92

Finding the Fourth Proportional to 5,158.38, 7,726.86 and 2,517.92

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Solution

The fourth proportional to 5,158.38, 7,726.86 and 2,517.92 is: 3,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.38 : 7,726.86 = 2,517.92 : x
  2. Step 2: Convert to fraction form
    5,158.38/7,726.86 = 2,517.92/x
  3. Step 3: Cross multiply
    5,158.38x = 7,726.86 × 2,517.92
  4. Step 4: Simplify right side
    5,158.38x = 19,455,605.67
  5. Step 5: Solve for x
    x = 19,455,605.67/5,158.38
  6. Step 6: Final answer
    x = 3,771.65

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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.