Home / 8,522.26-12,785.13-3,591.90

Finding the Fourth Proportional to 8,522.26, 12,785.13 and 3,591.90

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Solution

The fourth proportional to 8,522.26, 12,785.13 and 3,591.90 is: 5,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.26 : 12,785.13 = 3,591.90 : x
  2. Step 2: Convert to fraction form
    8,522.26/12,785.13 = 3,591.90/x
  3. Step 3: Cross multiply
    8,522.26x = 12,785.13 × 3,591.90
  4. Step 4: Simplify right side
    8,522.26x = 45,922,908.45
  5. Step 5: Solve for x
    x = 45,922,908.45/8,522.26
  6. Step 6: Final answer
    x = 5,388.58

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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.