Home / 5,257.89-7,892.10-3,778.85

Finding the Fourth Proportional to 5,257.89, 7,892.10 and 3,778.85

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Solution

The fourth proportional to 5,257.89, 7,892.10 and 3,778.85 is: 5,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.89 : 7,892.10 = 3,778.85 : x
  2. Step 2: Convert to fraction form
    5,257.89/7,892.10 = 3,778.85/x
  3. Step 3: Cross multiply
    5,257.89x = 7,892.10 × 3,778.85
  4. Step 4: Simplify right side
    5,257.89x = 29,823,062.09
  5. Step 5: Solve for x
    x = 29,823,062.09/5,257.89
  6. Step 6: Final answer
    x = 5,672.06

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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.