Home / 4,933.92-7,399.36-2,159.88

Finding the Fourth Proportional to 4,933.92, 7,399.36 and 2,159.88

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Solution

The fourth proportional to 4,933.92, 7,399.36 and 2,159.88 is: 3,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.92 : 7,399.36 = 2,159.88 : x
  2. Step 2: Convert to fraction form
    4,933.92/7,399.36 = 2,159.88/x
  3. Step 3: Cross multiply
    4,933.92x = 7,399.36 × 2,159.88
  4. Step 4: Simplify right side
    4,933.92x = 15,981,729.68
  5. Step 5: Solve for x
    x = 15,981,729.68/4,933.92
  6. Step 6: Final answer
    x = 3,239.15

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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.