Home / 5,252.78-7,881.93-2,331.38

Finding the Fourth Proportional to 5,252.78, 7,881.93 and 2,331.38

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Solution

The fourth proportional to 5,252.78, 7,881.93 and 2,331.38 is: 3,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.78 : 7,881.93 = 2,331.38 : x
  2. Step 2: Convert to fraction form
    5,252.78/7,881.93 = 2,331.38/x
  3. Step 3: Cross multiply
    5,252.78x = 7,881.93 × 2,331.38
  4. Step 4: Simplify right side
    5,252.78x = 18,375,734.55
  5. Step 5: Solve for x
    x = 18,375,734.55/5,252.78
  6. Step 6: Final answer
    x = 3,498.29

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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.