Home / 8,211.88-12,310.56-3,016.56

Finding the Fourth Proportional to 8,211.88, 12,310.56 and 3,016.56

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Solution

The fourth proportional to 8,211.88, 12,310.56 and 3,016.56 is: 4,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.88 : 12,310.56 = 3,016.56 : x
  2. Step 2: Convert to fraction form
    8,211.88/12,310.56 = 3,016.56/x
  3. Step 3: Cross multiply
    8,211.88x = 12,310.56 × 3,016.56
  4. Step 4: Simplify right side
    8,211.88x = 37,135,542.87
  5. Step 5: Solve for x
    x = 37,135,542.87/8,211.88
  6. Step 6: Final answer
    x = 4,522.17

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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.