Home / 9,320.88-13,981.46-2,747.24

Finding the Fourth Proportional to 9,320.88, 13,981.46 and 2,747.24

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Solution

The fourth proportional to 9,320.88, 13,981.46 and 2,747.24 is: 4,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.88 : 13,981.46 = 2,747.24 : x
  2. Step 2: Convert to fraction form
    9,320.88/13,981.46 = 2,747.24/x
  3. Step 3: Cross multiply
    9,320.88x = 13,981.46 × 2,747.24
  4. Step 4: Simplify right side
    9,320.88x = 38,410,426.17
  5. Step 5: Solve for x
    x = 38,410,426.17/9,320.88
  6. Step 6: Final answer
    x = 4,120.90

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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.