Home / 9,187.38-13,781.07-2,261.88

Finding the Fourth Proportional to 9,187.38, 13,781.07 and 2,261.88

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Solution

The fourth proportional to 9,187.38, 13,781.07 and 2,261.88 is: 3,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.38 : 13,781.07 = 2,261.88 : x
  2. Step 2: Convert to fraction form
    9,187.38/13,781.07 = 2,261.88/x
  3. Step 3: Cross multiply
    9,187.38x = 13,781.07 × 2,261.88
  4. Step 4: Simplify right side
    9,187.38x = 31,171,126.61
  5. Step 5: Solve for x
    x = 31,171,126.61/9,187.38
  6. Step 6: Final answer
    x = 3,392.82

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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.