Home / 4,213.31-6,310.11-3,329.88

Finding the Fourth Proportional to 4,213.31, 6,310.11 and 3,329.88

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Solution

The fourth proportional to 4,213.31, 6,310.11 and 3,329.88 is: 4,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.31 : 6,310.11 = 3,329.88 : x
  2. Step 2: Convert to fraction form
    4,213.31/6,310.11 = 3,329.88/x
  3. Step 3: Cross multiply
    4,213.31x = 6,310.11 × 3,329.88
  4. Step 4: Simplify right side
    4,213.31x = 21,011,901.12
  5. Step 5: Solve for x
    x = 21,011,901.12/4,213.31
  6. Step 6: Final answer
    x = 4,987.03

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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.