Home / 8,137.22-12,201.27-2,589.54

Finding the Fourth Proportional to 8,137.22, 12,201.27 and 2,589.54

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Solution

The fourth proportional to 8,137.22, 12,201.27 and 2,589.54 is: 3,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.22 : 12,201.27 = 2,589.54 : x
  2. Step 2: Convert to fraction form
    8,137.22/12,201.27 = 2,589.54/x
  3. Step 3: Cross multiply
    8,137.22x = 12,201.27 × 2,589.54
  4. Step 4: Simplify right side
    8,137.22x = 31,595,676.72
  5. Step 5: Solve for x
    x = 31,595,676.72/8,137.22
  6. Step 6: Final answer
    x = 3,882.86

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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.