Home / 5,254.31-7,882.64-1,967.43

Finding the Fourth Proportional to 5,254.31, 7,882.64 and 1,967.43

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Solution

The fourth proportional to 5,254.31, 7,882.64 and 1,967.43 is: 2,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.31 : 7,882.64 = 1,967.43 : x
  2. Step 2: Convert to fraction form
    5,254.31/7,882.64 = 1,967.43/x
  3. Step 3: Cross multiply
    5,254.31x = 7,882.64 × 1,967.43
  4. Step 4: Simplify right side
    5,254.31x = 15,508,532.58
  5. Step 5: Solve for x
    x = 15,508,532.58/5,254.31
  6. Step 6: Final answer
    x = 2,951.59

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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.