Home / 8,824.78-13,237.20-2,668.78

Finding the Fourth Proportional to 8,824.78, 13,237.20 and 2,668.78

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Solution

The fourth proportional to 8,824.78, 13,237.20 and 2,668.78 is: 4,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.78 : 13,237.20 = 2,668.78 : x
  2. Step 2: Convert to fraction form
    8,824.78/13,237.20 = 2,668.78/x
  3. Step 3: Cross multiply
    8,824.78x = 13,237.20 × 2,668.78
  4. Step 4: Simplify right side
    8,824.78x = 35,327,174.62
  5. Step 5: Solve for x
    x = 35,327,174.62/8,824.78
  6. Step 6: Final answer
    x = 4,003.18

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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.