Home / 5,721.73-8,577.09-2,209.15

Finding the Fourth Proportional to 5,721.73, 8,577.09 and 2,209.15

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Solution

The fourth proportional to 5,721.73, 8,577.09 and 2,209.15 is: 3,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.73 : 8,577.09 = 2,209.15 : x
  2. Step 2: Convert to fraction form
    5,721.73/8,577.09 = 2,209.15/x
  3. Step 3: Cross multiply
    5,721.73x = 8,577.09 × 2,209.15
  4. Step 4: Simplify right side
    5,721.73x = 18,948,078.37
  5. Step 5: Solve for x
    x = 18,948,078.37/5,721.73
  6. Step 6: Final answer
    x = 3,311.60

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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.