Home / 9,021.22-13,531.98-3,177.90

Finding the Fourth Proportional to 9,021.22, 13,531.98 and 3,177.90

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Solution

The fourth proportional to 9,021.22, 13,531.98 and 3,177.90 is: 4,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.22 : 13,531.98 = 3,177.90 : x
  2. Step 2: Convert to fraction form
    9,021.22/13,531.98 = 3,177.90/x
  3. Step 3: Cross multiply
    9,021.22x = 13,531.98 × 3,177.90
  4. Step 4: Simplify right side
    9,021.22x = 43,003,279.24
  5. Step 5: Solve for x
    x = 43,003,279.24/9,021.22
  6. Step 6: Final answer
    x = 4,766.90

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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.