Home / 6,078.88-9,115.19-2,789.13

Finding the Fourth Proportional to 6,078.88, 9,115.19 and 2,789.13

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Solution

The fourth proportional to 6,078.88, 9,115.19 and 2,789.13 is: 4,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.88 : 9,115.19 = 2,789.13 : x
  2. Step 2: Convert to fraction form
    6,078.88/9,115.19 = 2,789.13/x
  3. Step 3: Cross multiply
    6,078.88x = 9,115.19 × 2,789.13
  4. Step 4: Simplify right side
    6,078.88x = 25,423,435.94
  5. Step 5: Solve for x
    x = 25,423,435.94/6,078.88
  6. Step 6: Final answer
    x = 4,182.26

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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.