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Finding the Fourth Proportional to 8,127.34, 12,191.02 and 2,933.22

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Solution

The fourth proportional to 8,127.34, 12,191.02 and 2,933.22 is: 4,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.34 : 12,191.02 = 2,933.22 : x
  2. Step 2: Convert to fraction form
    8,127.34/12,191.02 = 2,933.22/x
  3. Step 3: Cross multiply
    8,127.34x = 12,191.02 × 2,933.22
  4. Step 4: Simplify right side
    8,127.34x = 35,758,943.68
  5. Step 5: Solve for x
    x = 35,758,943.68/8,127.34
  6. Step 6: Final answer
    x = 4,399.83

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1.5x scale

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.