Home / 5,608.44-7,738.62-3,515.40

Finding the Fourth Proportional to 5,608.44, 7,738.62 and 3,515.40

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Solution

The fourth proportional to 5,608.44, 7,738.62 and 3,515.40 is: 4,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.44 : 7,738.62 = 3,515.40 : x
  2. Step 2: Convert to fraction form
    5,608.44/7,738.62 = 3,515.40/x
  3. Step 3: Cross multiply
    5,608.44x = 7,738.62 × 3,515.40
  4. Step 4: Simplify right side
    5,608.44x = 27,204,344.75
  5. Step 5: Solve for x
    x = 27,204,344.75/5,608.44
  6. Step 6: Final answer
    x = 4,850.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.