Home / 5,745.25-8,610.90-2,620.97

Finding the Fourth Proportional to 5,745.25, 8,610.90 and 2,620.97

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Solution

The fourth proportional to 5,745.25, 8,610.90 and 2,620.97 is: 3,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.25 : 8,610.90 = 2,620.97 : x
  2. Step 2: Convert to fraction form
    5,745.25/8,610.90 = 2,620.97/x
  3. Step 3: Cross multiply
    5,745.25x = 8,610.90 × 2,620.97
  4. Step 4: Simplify right side
    5,745.25x = 22,568,910.57
  5. Step 5: Solve for x
    x = 22,568,910.57/5,745.25
  6. Step 6: Final answer
    x = 3,928.28

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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.