Home / 8,812.20-13,201.24-5,481.77

Finding the Fourth Proportional to 8,812.20, 13,201.24 and 5,481.77

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Solution

The fourth proportional to 8,812.20, 13,201.24 and 5,481.77 is: 8,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.20 : 13,201.24 = 5,481.77 : x
  2. Step 2: Convert to fraction form
    8,812.20/13,201.24 = 5,481.77/x
  3. Step 3: Cross multiply
    8,812.20x = 13,201.24 × 5,481.77
  4. Step 4: Simplify right side
    8,812.20x = 72,366,096.86
  5. Step 5: Solve for x
    x = 72,366,096.86/8,812.20
  6. Step 6: Final answer
    x = 8,212.03

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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.