Home / 8,073.88-12,105.62-3,396.92

Finding the Fourth Proportional to 8,073.88, 12,105.62 and 3,396.92

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Solution

The fourth proportional to 8,073.88, 12,105.62 and 3,396.92 is: 5,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.88 : 12,105.62 = 3,396.92 : x
  2. Step 2: Convert to fraction form
    8,073.88/12,105.62 = 3,396.92/x
  3. Step 3: Cross multiply
    8,073.88x = 12,105.62 × 3,396.92
  4. Step 4: Simplify right side
    8,073.88x = 41,121,822.69
  5. Step 5: Solve for x
    x = 41,121,822.69/8,073.88
  6. Step 6: Final answer
    x = 5,093.19

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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.