Home / 8,975.28-13,469.97-6,221.31

Finding the Fourth Proportional to 8,975.28, 13,469.97 and 6,221.31

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Solution

The fourth proportional to 8,975.28, 13,469.97 and 6,221.31 is: 9,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.28 : 13,469.97 = 6,221.31 : x
  2. Step 2: Convert to fraction form
    8,975.28/13,469.97 = 6,221.31/x
  3. Step 3: Cross multiply
    8,975.28x = 13,469.97 × 6,221.31
  4. Step 4: Simplify right side
    8,975.28x = 83,800,859.06
  5. Step 5: Solve for x
    x = 83,800,859.06/8,975.28
  6. Step 6: Final answer
    x = 9,336.85

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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.