Home / 9,275.38-13,912.88-2,255.43

Finding the Fourth Proportional to 9,275.38, 13,912.88 and 2,255.43

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Solution

The fourth proportional to 9,275.38, 13,912.88 and 2,255.43 is: 3,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.38 : 13,912.88 = 2,255.43 : x
  2. Step 2: Convert to fraction form
    9,275.38/13,912.88 = 2,255.43/x
  3. Step 3: Cross multiply
    9,275.38x = 13,912.88 × 2,255.43
  4. Step 4: Simplify right side
    9,275.38x = 31,379,515.66
  5. Step 5: Solve for x
    x = 31,379,515.66/9,275.38
  6. Step 6: Final answer
    x = 3,383.10

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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.