Home / 8,546.42-12,817.11-3,615.95

Finding the Fourth Proportional to 8,546.42, 12,817.11 and 3,615.95

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Solution

The fourth proportional to 8,546.42, 12,817.11 and 3,615.95 is: 5,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.42 : 12,817.11 = 3,615.95 : x
  2. Step 2: Convert to fraction form
    8,546.42/12,817.11 = 3,615.95/x
  3. Step 3: Cross multiply
    8,546.42x = 12,817.11 × 3,615.95
  4. Step 4: Simplify right side
    8,546.42x = 46,346,028.90
  5. Step 5: Solve for x
    x = 46,346,028.90/8,546.42
  6. Step 6: Final answer
    x = 5,422.86

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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.