Home / 5,244.62-7,861.42-2,642.10

Finding the Fourth Proportional to 5,244.62, 7,861.42 and 2,642.10

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Solution

The fourth proportional to 5,244.62, 7,861.42 and 2,642.10 is: 3,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.62 : 7,861.42 = 2,642.10 : x
  2. Step 2: Convert to fraction form
    5,244.62/7,861.42 = 2,642.10/x
  3. Step 3: Cross multiply
    5,244.62x = 7,861.42 × 2,642.10
  4. Step 4: Simplify right side
    5,244.62x = 20,770,657.78
  5. Step 5: Solve for x
    x = 20,770,657.78/5,244.62
  6. Step 6: Final answer
    x = 3,960.37

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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.