Home / 7,451.65-11,169.69-2,519.61

Finding the Fourth Proportional to 7,451.65, 11,169.69 and 2,519.61

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Solution

The fourth proportional to 7,451.65, 11,169.69 and 2,519.61 is: 3,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.65 : 11,169.69 = 2,519.61 : x
  2. Step 2: Convert to fraction form
    7,451.65/11,169.69 = 2,519.61/x
  3. Step 3: Cross multiply
    7,451.65x = 11,169.69 × 2,519.61
  4. Step 4: Simplify right side
    7,451.65x = 28,143,262.62
  5. Step 5: Solve for x
    x = 28,143,262.62/7,451.65
  6. Step 6: Final answer
    x = 3,776.78

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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.