Home / 8,163.18-12,239.37-2,968.38

Finding the Fourth Proportional to 8,163.18, 12,239.37 and 2,968.38

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Solution

The fourth proportional to 8,163.18, 12,239.37 and 2,968.38 is: 4,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.18 : 12,239.37 = 2,968.38 : x
  2. Step 2: Convert to fraction form
    8,163.18/12,239.37 = 2,968.38/x
  3. Step 3: Cross multiply
    8,163.18x = 12,239.37 × 2,968.38
  4. Step 4: Simplify right side
    8,163.18x = 36,331,101.12
  5. Step 5: Solve for x
    x = 36,331,101.12/8,163.18
  6. Step 6: Final answer
    x = 4,450.61

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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.