Home / 7,956.24-11,934.68-2,112.90

Finding the Fourth Proportional to 7,956.24, 11,934.68 and 2,112.90

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Solution

The fourth proportional to 7,956.24, 11,934.68 and 2,112.90 is: 3,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.24 : 11,934.68 = 2,112.90 : x
  2. Step 2: Convert to fraction form
    7,956.24/11,934.68 = 2,112.90/x
  3. Step 3: Cross multiply
    7,956.24x = 11,934.68 × 2,112.90
  4. Step 4: Simplify right side
    7,956.24x = 25,216,785.37
  5. Step 5: Solve for x
    x = 25,216,785.37/7,956.24
  6. Step 6: Final answer
    x = 3,169.43

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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.