Home / 8,469.27-12,704.31-4,090.41

Finding the Fourth Proportional to 8,469.27, 12,704.31 and 4,090.41

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Solution

The fourth proportional to 8,469.27, 12,704.31 and 4,090.41 is: 6,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.27 : 12,704.31 = 4,090.41 : x
  2. Step 2: Convert to fraction form
    8,469.27/12,704.31 = 4,090.41/x
  3. Step 3: Cross multiply
    8,469.27x = 12,704.31 × 4,090.41
  4. Step 4: Simplify right side
    8,469.27x = 51,965,836.67
  5. Step 5: Solve for x
    x = 51,965,836.67/8,469.27
  6. Step 6: Final answer
    x = 6,135.81

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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.