Home / 7,301.13-10,951.68-2,919.61

Finding the Fourth Proportional to 7,301.13, 10,951.68 and 2,919.61

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Solution

The fourth proportional to 7,301.13, 10,951.68 and 2,919.61 is: 4,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.13 : 10,951.68 = 2,919.61 : x
  2. Step 2: Convert to fraction form
    7,301.13/10,951.68 = 2,919.61/x
  3. Step 3: Cross multiply
    7,301.13x = 10,951.68 × 2,919.61
  4. Step 4: Simplify right side
    7,301.13x = 31,974,634.44
  5. Step 5: Solve for x
    x = 31,974,634.44/7,301.13
  6. Step 6: Final answer
    x = 4,379.41

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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.