Home / 5,691.18-8,539.48-2,572.14

Finding the Fourth Proportional to 5,691.18, 8,539.48 and 2,572.14

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Solution

The fourth proportional to 5,691.18, 8,539.48 and 2,572.14 is: 3,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.18 : 8,539.48 = 2,572.14 : x
  2. Step 2: Convert to fraction form
    5,691.18/8,539.48 = 2,572.14/x
  3. Step 3: Cross multiply
    5,691.18x = 8,539.48 × 2,572.14
  4. Step 4: Simplify right side
    5,691.18x = 21,964,738.09
  5. Step 5: Solve for x
    x = 21,964,738.09/5,691.18
  6. Step 6: Final answer
    x = 3,859.43

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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.