Home / 9,126.06-13,691.52-3,930.72

Finding the Fourth Proportional to 9,126.06, 13,691.52 and 3,930.72

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Solution

The fourth proportional to 9,126.06, 13,691.52 and 3,930.72 is: 5,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.06 : 13,691.52 = 3,930.72 : x
  2. Step 2: Convert to fraction form
    9,126.06/13,691.52 = 3,930.72/x
  3. Step 3: Cross multiply
    9,126.06x = 13,691.52 × 3,930.72
  4. Step 4: Simplify right side
    9,126.06x = 53,817,531.49
  5. Step 5: Solve for x
    x = 53,817,531.49/9,126.06
  6. Step 6: Final answer
    x = 5,897.13

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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.