Home / 8,113.26-12,169.75-2,269.79

Finding the Fourth Proportional to 8,113.26, 12,169.75 and 2,269.79

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Solution

The fourth proportional to 8,113.26, 12,169.75 and 2,269.79 is: 3,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.26 : 12,169.75 = 2,269.79 : x
  2. Step 2: Convert to fraction form
    8,113.26/12,169.75 = 2,269.79/x
  3. Step 3: Cross multiply
    8,113.26x = 12,169.75 × 2,269.79
  4. Step 4: Simplify right side
    8,113.26x = 27,622,776.85
  5. Step 5: Solve for x
    x = 27,622,776.85/8,113.26
  6. Step 6: Final answer
    x = 3,404.65

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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.