Home / 8,199.05-12,288.03-3,517.86

Finding the Fourth Proportional to 8,199.05, 12,288.03 and 3,517.86

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Solution

The fourth proportional to 8,199.05, 12,288.03 and 3,517.86 is: 5,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.05 : 12,288.03 = 3,517.86 : x
  2. Step 2: Convert to fraction form
    8,199.05/12,288.03 = 3,517.86/x
  3. Step 3: Cross multiply
    8,199.05x = 12,288.03 × 3,517.86
  4. Step 4: Simplify right side
    8,199.05x = 43,227,569.22
  5. Step 5: Solve for x
    x = 43,227,569.22/8,199.05
  6. Step 6: Final answer
    x = 5,272.27

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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.