Home / 8,505.24-12,757.02-2,661.90

Finding the Fourth Proportional to 8,505.24, 12,757.02 and 2,661.90

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Solution

The fourth proportional to 8,505.24, 12,757.02 and 2,661.90 is: 3,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.24 : 12,757.02 = 2,661.90 : x
  2. Step 2: Convert to fraction form
    8,505.24/12,757.02 = 2,661.90/x
  3. Step 3: Cross multiply
    8,505.24x = 12,757.02 × 2,661.90
  4. Step 4: Simplify right side
    8,505.24x = 33,957,911.54
  5. Step 5: Solve for x
    x = 33,957,911.54/8,505.24
  6. Step 6: Final answer
    x = 3,992.59

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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.