Home / 5,149.11-7,722.45-2,956.71

Finding the Fourth Proportional to 5,149.11, 7,722.45 and 2,956.71

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Solution

The fourth proportional to 5,149.11, 7,722.45 and 2,956.71 is: 4,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.11 : 7,722.45 = 2,956.71 : x
  2. Step 2: Convert to fraction form
    5,149.11/7,722.45 = 2,956.71/x
  3. Step 3: Cross multiply
    5,149.11x = 7,722.45 × 2,956.71
  4. Step 4: Simplify right side
    5,149.11x = 22,833,045.14
  5. Step 5: Solve for x
    x = 22,833,045.14/5,149.11
  6. Step 6: Final answer
    x = 4,434.37

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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.