Home / 8,447.20-12,662.37-3,996.94

Finding the Fourth Proportional to 8,447.20, 12,662.37 and 3,996.94

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Solution

The fourth proportional to 8,447.20, 12,662.37 and 3,996.94 is: 5,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.20 : 12,662.37 = 3,996.94 : x
  2. Step 2: Convert to fraction form
    8,447.20/12,662.37 = 3,996.94/x
  3. Step 3: Cross multiply
    8,447.20x = 12,662.37 × 3,996.94
  4. Step 4: Simplify right side
    8,447.20x = 50,610,649.85
  5. Step 5: Solve for x
    x = 50,610,649.85/8,447.20
  6. Step 6: Final answer
    x = 5,991.41

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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.