Home / 8,768.78-13,157.60-3,838.44

Finding the Fourth Proportional to 8,768.78, 13,157.60 and 3,838.44

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Solution

The fourth proportional to 8,768.78, 13,157.60 and 3,838.44 is: 5,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.78 : 13,157.60 = 3,838.44 : x
  2. Step 2: Convert to fraction form
    8,768.78/13,157.60 = 3,838.44/x
  3. Step 3: Cross multiply
    8,768.78x = 13,157.60 × 3,838.44
  4. Step 4: Simplify right side
    8,768.78x = 50,504,658.14
  5. Step 5: Solve for x
    x = 50,504,658.14/8,768.78
  6. Step 6: Final answer
    x = 5,759.60

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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.