Home / 8,190.38-12,287.20-2,996.66

Finding the Fourth Proportional to 8,190.38, 12,287.20 and 2,996.66

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Solution

The fourth proportional to 8,190.38, 12,287.20 and 2,996.66 is: 4,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.38 : 12,287.20 = 2,996.66 : x
  2. Step 2: Convert to fraction form
    8,190.38/12,287.20 = 2,996.66/x
  3. Step 3: Cross multiply
    8,190.38x = 12,287.20 × 2,996.66
  4. Step 4: Simplify right side
    8,190.38x = 36,820,560.75
  5. Step 5: Solve for x
    x = 36,820,560.75/8,190.38
  6. Step 6: Final answer
    x = 4,495.59

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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.