Home / 4,968.97-6,857.18-2,731

Finding the Fourth Proportional to 4,968.97, 6,857.18 and 2,731

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Solution

The fourth proportional to 4,968.97, 6,857.18 and 2,731 is: 3,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.97 : 6,857.18 = 2,731 : x
  2. Step 2: Convert to fraction form
    4,968.97/6,857.18 = 2,731/x
  3. Step 3: Cross multiply
    4,968.97x = 6,857.18 × 2,731
  4. Step 4: Simplify right side
    4,968.97x = 18,726,958.58
  5. Step 5: Solve for x
    x = 18,726,958.58/4,968.97
  6. Step 6: Final answer
    x = 3,768.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.