Home / 4,481.88-6,719.91-2,142.30

Finding the Fourth Proportional to 4,481.88, 6,719.91 and 2,142.30

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Solution

The fourth proportional to 4,481.88, 6,719.91 and 2,142.30 is: 3,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.88 : 6,719.91 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    4,481.88/6,719.91 = 2,142.30/x
  3. Step 3: Cross multiply
    4,481.88x = 6,719.91 × 2,142.30
  4. Step 4: Simplify right side
    4,481.88x = 14,396,063.19
  5. Step 5: Solve for x
    x = 14,396,063.19/4,481.88
  6. Step 6: Final answer
    x = 3,212.06

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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.