Home / 6,078.20-9,109.40-2,744

Finding the Fourth Proportional to 6,078.20, 9,109.40 and 2,744

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Solution

The fourth proportional to 6,078.20, 9,109.40 and 2,744 is: 4,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.20 : 9,109.40 = 2,744 : x
  2. Step 2: Convert to fraction form
    6,078.20/9,109.40 = 2,744/x
  3. Step 3: Cross multiply
    6,078.20x = 9,109.40 × 2,744
  4. Step 4: Simplify right side
    6,078.20x = 24,996,193.60
  5. Step 5: Solve for x
    x = 24,996,193.60/6,078.20
  6. Step 6: Final answer
    x = 4,112.43

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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.