Home / 6,078.12-9,115.32-2,379.52

Finding the Fourth Proportional to 6,078.12, 9,115.32 and 2,379.52

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Solution

The fourth proportional to 6,078.12, 9,115.32 and 2,379.52 is: 3,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.12 : 9,115.32 = 2,379.52 : x
  2. Step 2: Convert to fraction form
    6,078.12/9,115.32 = 2,379.52/x
  3. Step 3: Cross multiply
    6,078.12x = 9,115.32 × 2,379.52
  4. Step 4: Simplify right side
    6,078.12x = 21,690,086.25
  5. Step 5: Solve for x
    x = 21,690,086.25/6,078.12
  6. Step 6: Final answer
    x = 3,568.55

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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.