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Finding the Fourth Proportional to 5,581.88, 8,367.21 and 2,290.44

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Solution

The fourth proportional to 5,581.88, 8,367.21 and 2,290.44 is: 3,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.88 : 8,367.21 = 2,290.44 : x
  2. Step 2: Convert to fraction form
    5,581.88/8,367.21 = 2,290.44/x
  3. Step 3: Cross multiply
    5,581.88x = 8,367.21 × 2,290.44
  4. Step 4: Simplify right side
    5,581.88x = 19,164,592.47
  5. Step 5: Solve for x
    x = 19,164,592.47/5,581.88
  6. Step 6: Final answer
    x = 3,433.36

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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.