Home / 4,339.56-5,998.68-3,872.09

Finding the Fourth Proportional to 4,339.56, 5,998.68 and 3,872.09

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Solution

The fourth proportional to 4,339.56, 5,998.68 and 3,872.09 is: 5,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.56 : 5,998.68 = 3,872.09 : x
  2. Step 2: Convert to fraction form
    4,339.56/5,998.68 = 3,872.09/x
  3. Step 3: Cross multiply
    4,339.56x = 5,998.68 × 3,872.09
  4. Step 4: Simplify right side
    4,339.56x = 23,227,398.85
  5. Step 5: Solve for x
    x = 23,227,398.85/4,339.56
  6. Step 6: Final answer
    x = 5,352.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.