Home / 8,249.18-12,366.82-5,609.29

Finding the Fourth Proportional to 8,249.18, 12,366.82 and 5,609.29

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Solution

The fourth proportional to 8,249.18, 12,366.82 and 5,609.29 is: 8,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.18 : 12,366.82 = 5,609.29 : x
  2. Step 2: Convert to fraction form
    8,249.18/12,366.82 = 5,609.29/x
  3. Step 3: Cross multiply
    8,249.18x = 12,366.82 × 5,609.29
  4. Step 4: Simplify right side
    8,249.18x = 69,369,079.76
  5. Step 5: Solve for x
    x = 69,369,079.76/8,249.18
  6. Step 6: Final answer
    x = 8,409.21

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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.