Home / 8,195.21-11,309.38-4,469.21

Finding the Fourth Proportional to 8,195.21, 11,309.38 and 4,469.21

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Solution

The fourth proportional to 8,195.21, 11,309.38 and 4,469.21 is: 6,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.21 : 11,309.38 = 4,469.21 : x
  2. Step 2: Convert to fraction form
    8,195.21/11,309.38 = 4,469.21/x
  3. Step 3: Cross multiply
    8,195.21x = 11,309.38 × 4,469.21
  4. Step 4: Simplify right side
    8,195.21x = 50,543,968.88
  5. Step 5: Solve for x
    x = 50,543,968.88/8,195.21
  6. Step 6: Final answer
    x = 6,167.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.