Home / 8,134.05-12,201.84-2,290.65

Finding the Fourth Proportional to 8,134.05, 12,201.84 and 2,290.65

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Solution

The fourth proportional to 8,134.05, 12,201.84 and 2,290.65 is: 3,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.05 : 12,201.84 = 2,290.65 : x
  2. Step 2: Convert to fraction form
    8,134.05/12,201.84 = 2,290.65/x
  3. Step 3: Cross multiply
    8,134.05x = 12,201.84 × 2,290.65
  4. Step 4: Simplify right side
    8,134.05x = 27,950,144.80
  5. Step 5: Solve for x
    x = 27,950,144.80/8,134.05
  6. Step 6: Final answer
    x = 3,436.19

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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.