Home / 9,286.92-13,931.28-2,713.20

Finding the Fourth Proportional to 9,286.92, 13,931.28 and 2,713.20

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Solution

The fourth proportional to 9,286.92, 13,931.28 and 2,713.20 is: 4,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.92 : 13,931.28 = 2,713.20 : x
  2. Step 2: Convert to fraction form
    9,286.92/13,931.28 = 2,713.20/x
  3. Step 3: Cross multiply
    9,286.92x = 13,931.28 × 2,713.20
  4. Step 4: Simplify right side
    9,286.92x = 37,798,348.90
  5. Step 5: Solve for x
    x = 37,798,348.90/9,286.92
  6. Step 6: Final answer
    x = 4,070.06

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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.