Home / 8,874.33-13,311.36-2,638.56

Finding the Fourth Proportional to 8,874.33, 13,311.36 and 2,638.56

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Solution

The fourth proportional to 8,874.33, 13,311.36 and 2,638.56 is: 3,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.33 : 13,311.36 = 2,638.56 : x
  2. Step 2: Convert to fraction form
    8,874.33/13,311.36 = 2,638.56/x
  3. Step 3: Cross multiply
    8,874.33x = 13,311.36 × 2,638.56
  4. Step 4: Simplify right side
    8,874.33x = 35,122,822.04
  5. Step 5: Solve for x
    x = 35,122,822.04/8,874.33
  6. Step 6: Final answer
    x = 3,957.80

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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.