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Finding the Fourth Proportional to 6,757.73, 10,137.89 and 2,076.90

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Solution

The fourth proportional to 6,757.73, 10,137.89 and 2,076.90 is: 3,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.73 : 10,137.89 = 2,076.90 : x
  2. Step 2: Convert to fraction form
    6,757.73/10,137.89 = 2,076.90/x
  3. Step 3: Cross multiply
    6,757.73x = 10,137.89 × 2,076.90
  4. Step 4: Simplify right side
    6,757.73x = 21,055,383.74
  5. Step 5: Solve for x
    x = 21,055,383.74/6,757.73
  6. Step 6: Final answer
    x = 3,115.75

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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.