Home / 8,057.31-12,081.87-2,791.77

Finding the Fourth Proportional to 8,057.31, 12,081.87 and 2,791.77

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Solution

The fourth proportional to 8,057.31, 12,081.87 and 2,791.77 is: 4,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.31 : 12,081.87 = 2,791.77 : x
  2. Step 2: Convert to fraction form
    8,057.31/12,081.87 = 2,791.77/x
  3. Step 3: Cross multiply
    8,057.31x = 12,081.87 × 2,791.77
  4. Step 4: Simplify right side
    8,057.31x = 33,729,802.21
  5. Step 5: Solve for x
    x = 33,729,802.21/8,057.31
  6. Step 6: Final answer
    x = 4,186.24

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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.