Home / 9,170.52-13,748.46-3,972.78

Finding the Fourth Proportional to 9,170.52, 13,748.46 and 3,972.78

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Solution

The fourth proportional to 9,170.52, 13,748.46 and 3,972.78 is: 5,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.52 : 13,748.46 = 3,972.78 : x
  2. Step 2: Convert to fraction form
    9,170.52/13,748.46 = 3,972.78/x
  3. Step 3: Cross multiply
    9,170.52x = 13,748.46 × 3,972.78
  4. Step 4: Simplify right side
    9,170.52x = 54,619,606.92
  5. Step 5: Solve for x
    x = 54,619,606.92/9,170.52
  6. Step 6: Final answer
    x = 5,956.00

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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.