Home / 8,969.76-13,456.56-2,729.64

Finding the Fourth Proportional to 8,969.76, 13,456.56 and 2,729.64

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Solution

The fourth proportional to 8,969.76, 13,456.56 and 2,729.64 is: 4,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.76 : 13,456.56 = 2,729.64 : x
  2. Step 2: Convert to fraction form
    8,969.76/13,456.56 = 2,729.64/x
  3. Step 3: Cross multiply
    8,969.76x = 13,456.56 × 2,729.64
  4. Step 4: Simplify right side
    8,969.76x = 36,731,564.44
  5. Step 5: Solve for x
    x = 36,731,564.44/8,969.76
  6. Step 6: Final answer
    x = 4,095.04

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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.