Home / 6,081.30-9,107.55-4,122.90

Finding the Fourth Proportional to 6,081.30, 9,107.55 and 4,122.90

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Solution

The fourth proportional to 6,081.30, 9,107.55 and 4,122.90 is: 6,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.30 : 9,107.55 = 4,122.90 : x
  2. Step 2: Convert to fraction form
    6,081.30/9,107.55 = 4,122.90/x
  3. Step 3: Cross multiply
    6,081.30x = 9,107.55 × 4,122.90
  4. Step 4: Simplify right side
    6,081.30x = 37,549,517.90
  5. Step 5: Solve for x
    x = 37,549,517.90/6,081.30
  6. Step 6: Final answer
    x = 6,174.59

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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.