Home / 8,636.22-12,951.08-2,791.26

Finding the Fourth Proportional to 8,636.22, 12,951.08 and 2,791.26

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Solution

The fourth proportional to 8,636.22, 12,951.08 and 2,791.26 is: 4,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.22 : 12,951.08 = 2,791.26 : x
  2. Step 2: Convert to fraction form
    8,636.22/12,951.08 = 2,791.26/x
  3. Step 3: Cross multiply
    8,636.22x = 12,951.08 × 2,791.26
  4. Step 4: Simplify right side
    8,636.22x = 36,149,831.56
  5. Step 5: Solve for x
    x = 36,149,831.56/8,636.22
  6. Step 6: Final answer
    x = 4,185.84

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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.