Home / 5,255.04-7,882.28-1,967.90

Finding the Fourth Proportional to 5,255.04, 7,882.28 and 1,967.90

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Solution

The fourth proportional to 5,255.04, 7,882.28 and 1,967.90 is: 2,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.04 : 7,882.28 = 1,967.90 : x
  2. Step 2: Convert to fraction form
    5,255.04/7,882.28 = 1,967.90/x
  3. Step 3: Cross multiply
    5,255.04x = 7,882.28 × 1,967.90
  4. Step 4: Simplify right side
    5,255.04x = 15,511,496.94
  5. Step 5: Solve for x
    x = 15,511,496.94/5,255.04
  6. Step 6: Final answer
    x = 2,951.74

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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.