Home / 7,691.75-11,539.37-2,426.72

Finding the Fourth Proportional to 7,691.75, 11,539.37 and 2,426.72

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Solution

The fourth proportional to 7,691.75, 11,539.37 and 2,426.72 is: 3,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.75 : 11,539.37 = 2,426.72 : x
  2. Step 2: Convert to fraction form
    7,691.75/11,539.37 = 2,426.72/x
  3. Step 3: Cross multiply
    7,691.75x = 11,539.37 × 2,426.72
  4. Step 4: Simplify right side
    7,691.75x = 28,002,836.68
  5. Step 5: Solve for x
    x = 28,002,836.68/7,691.75
  6. Step 6: Final answer
    x = 3,640.64

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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.