Home / 7,169.11-10,754.33-2,786.90

Finding the Fourth Proportional to 7,169.11, 10,754.33 and 2,786.90

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Solution

The fourth proportional to 7,169.11, 10,754.33 and 2,786.90 is: 4,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.11 : 10,754.33 = 2,786.90 : x
  2. Step 2: Convert to fraction form
    7,169.11/10,754.33 = 2,786.90/x
  3. Step 3: Cross multiply
    7,169.11x = 10,754.33 × 2,786.90
  4. Step 4: Simplify right side
    7,169.11x = 29,971,249.24
  5. Step 5: Solve for x
    x = 29,971,249.24/7,169.11
  6. Step 6: Final answer
    x = 4,180.61

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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.