Home / 5,297.97-7,310.57-2,939.79

Finding the Fourth Proportional to 5,297.97, 7,310.57 and 2,939.79

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Solution

The fourth proportional to 5,297.97, 7,310.57 and 2,939.79 is: 4,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.97 : 7,310.57 = 2,939.79 : x
  2. Step 2: Convert to fraction form
    5,297.97/7,310.57 = 2,939.79/x
  3. Step 3: Cross multiply
    5,297.97x = 7,310.57 × 2,939.79
  4. Step 4: Simplify right side
    5,297.97x = 21,491,525.88
  5. Step 5: Solve for x
    x = 21,491,525.88/5,297.97
  6. Step 6: Final answer
    x = 4,056.56

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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.