Home / 5,829.67-8,745.81-2,131.82

Finding the Fourth Proportional to 5,829.67, 8,745.81 and 2,131.82

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Solution

The fourth proportional to 5,829.67, 8,745.81 and 2,131.82 is: 3,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.67 : 8,745.81 = 2,131.82 : x
  2. Step 2: Convert to fraction form
    5,829.67/8,745.81 = 2,131.82/x
  3. Step 3: Cross multiply
    5,829.67x = 8,745.81 × 2,131.82
  4. Step 4: Simplify right side
    5,829.67x = 18,644,473.75
  5. Step 5: Solve for x
    x = 18,644,473.75/5,829.67
  6. Step 6: Final answer
    x = 3,198.20

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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.