Home / 4,076.80-6,115.20-2,699.04

Finding the Fourth Proportional to 4,076.80, 6,115.20 and 2,699.04

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Solution

The fourth proportional to 4,076.80, 6,115.20 and 2,699.04 is: 4,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.80 : 6,115.20 = 2,699.04 : x
  2. Step 2: Convert to fraction form
    4,076.80/6,115.20 = 2,699.04/x
  3. Step 3: Cross multiply
    4,076.80x = 6,115.20 × 2,699.04
  4. Step 4: Simplify right side
    4,076.80x = 16,505,169.41
  5. Step 5: Solve for x
    x = 16,505,169.41/4,076.80
  6. Step 6: Final answer
    x = 4,048.56

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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.