Home / 8,778.78-13,156.47-3,843.04

Finding the Fourth Proportional to 8,778.78, 13,156.47 and 3,843.04

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Solution

The fourth proportional to 8,778.78, 13,156.47 and 3,843.04 is: 5,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.78 : 13,156.47 = 3,843.04 : x
  2. Step 2: Convert to fraction form
    8,778.78/13,156.47 = 3,843.04/x
  3. Step 3: Cross multiply
    8,778.78x = 13,156.47 × 3,843.04
  4. Step 4: Simplify right side
    8,778.78x = 50,560,821.25
  5. Step 5: Solve for x
    x = 50,560,821.25/8,778.78
  6. Step 6: Final answer
    x = 5,759.44

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1.5x scale

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.