Home / 8,383.32-12,576.60-3,997.80

Finding the Fourth Proportional to 8,383.32, 12,576.60 and 3,997.80

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Solution

The fourth proportional to 8,383.32, 12,576.60 and 3,997.80 is: 5,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.32 : 12,576.60 = 3,997.80 : x
  2. Step 2: Convert to fraction form
    8,383.32/12,576.60 = 3,997.80/x
  3. Step 3: Cross multiply
    8,383.32x = 12,576.60 × 3,997.80
  4. Step 4: Simplify right side
    8,383.32x = 50,278,731.48
  5. Step 5: Solve for x
    x = 50,278,731.48/8,383.32
  6. Step 6: Final answer
    x = 5,997.47

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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.