Home / 8,364.25-12,550.02-3,981.75

Finding the Fourth Proportional to 8,364.25, 12,550.02 and 3,981.75

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Solution

The fourth proportional to 8,364.25, 12,550.02 and 3,981.75 is: 5,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.25 : 12,550.02 = 3,981.75 : x
  2. Step 2: Convert to fraction form
    8,364.25/12,550.02 = 3,981.75/x
  3. Step 3: Cross multiply
    8,364.25x = 12,550.02 × 3,981.75
  4. Step 4: Simplify right side
    8,364.25x = 49,971,042.14
  5. Step 5: Solve for x
    x = 49,971,042.14/8,364.25
  6. Step 6: Final answer
    x = 5,974.36

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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.