Home / 8,113.19-12,169.81-2,269.85

Finding the Fourth Proportional to 8,113.19, 12,169.81 and 2,269.85

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Solution

The fourth proportional to 8,113.19, 12,169.81 and 2,269.85 is: 3,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.19 : 12,169.81 = 2,269.85 : x
  2. Step 2: Convert to fraction form
    8,113.19/12,169.81 = 2,269.85/x
  3. Step 3: Cross multiply
    8,113.19x = 12,169.81 × 2,269.85
  4. Step 4: Simplify right side
    8,113.19x = 27,623,643.23
  5. Step 5: Solve for x
    x = 27,623,643.23/8,113.19
  6. Step 6: Final answer
    x = 3,404.78

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1.5x scale

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.