Home / 8,905.20-13,359.24-3,974.73

Finding the Fourth Proportional to 8,905.20, 13,359.24 and 3,974.73

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Solution

The fourth proportional to 8,905.20, 13,359.24 and 3,974.73 is: 5,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.20 : 13,359.24 = 3,974.73 : x
  2. Step 2: Convert to fraction form
    8,905.20/13,359.24 = 3,974.73/x
  3. Step 3: Cross multiply
    8,905.20x = 13,359.24 × 3,974.73
  4. Step 4: Simplify right side
    8,905.20x = 53,099,372.01
  5. Step 5: Solve for x
    x = 53,099,372.01/8,905.20
  6. Step 6: Final answer
    x = 5,962.74

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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.