Home / 7,801.88-11,704.46-2,608.16

Finding the Fourth Proportional to 7,801.88, 11,704.46 and 2,608.16

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Solution

The fourth proportional to 7,801.88, 11,704.46 and 2,608.16 is: 3,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.88 : 11,704.46 = 2,608.16 : x
  2. Step 2: Convert to fraction form
    7,801.88/11,704.46 = 2,608.16/x
  3. Step 3: Cross multiply
    7,801.88x = 11,704.46 × 2,608.16
  4. Step 4: Simplify right side
    7,801.88x = 30,527,104.39
  5. Step 5: Solve for x
    x = 30,527,104.39/7,801.88
  6. Step 6: Final answer
    x = 3,912.79

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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.