Home / 5,257.56-7,884.18-1,968.96

Finding the Fourth Proportional to 5,257.56, 7,884.18 and 1,968.96

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Solution

The fourth proportional to 5,257.56, 7,884.18 and 1,968.96 is: 2,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.56 : 7,884.18 = 1,968.96 : x
  2. Step 2: Convert to fraction form
    5,257.56/7,884.18 = 1,968.96/x
  3. Step 3: Cross multiply
    5,257.56x = 7,884.18 × 1,968.96
  4. Step 4: Simplify right side
    5,257.56x = 15,523,635.05
  5. Step 5: Solve for x
    x = 15,523,635.05/5,257.56
  6. Step 6: Final answer
    x = 2,952.63

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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.