Home / 8,584.20-12,872.43-3,651.30

Finding the Fourth Proportional to 8,584.20, 12,872.43 and 3,651.30

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Solution

The fourth proportional to 8,584.20, 12,872.43 and 3,651.30 is: 5,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.20 : 12,872.43 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    8,584.20/12,872.43 = 3,651.30/x
  3. Step 3: Cross multiply
    8,584.20x = 12,872.43 × 3,651.30
  4. Step 4: Simplify right side
    8,584.20x = 47,001,103.66
  5. Step 5: Solve for x
    x = 47,001,103.66/8,584.20
  6. Step 6: Final answer
    x = 5,475.30

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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.