Home / 5,104.20-7,645.32-3,539.64

Finding the Fourth Proportional to 5,104.20, 7,645.32 and 3,539.64

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Solution

The fourth proportional to 5,104.20, 7,645.32 and 3,539.64 is: 5,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.20 : 7,645.32 = 3,539.64 : x
  2. Step 2: Convert to fraction form
    5,104.20/7,645.32 = 3,539.64/x
  3. Step 3: Cross multiply
    5,104.20x = 7,645.32 × 3,539.64
  4. Step 4: Simplify right side
    5,104.20x = 27,061,680.48
  5. Step 5: Solve for x
    x = 27,061,680.48/5,104.20
  6. Step 6: Final answer
    x = 5,301.85

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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.