Home / 5,250.88-7,881.12-3,306.56

Finding the Fourth Proportional to 5,250.88, 7,881.12 and 3,306.56

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Solution

The fourth proportional to 5,250.88, 7,881.12 and 3,306.56 is: 4,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.88 : 7,881.12 = 3,306.56 : x
  2. Step 2: Convert to fraction form
    5,250.88/7,881.12 = 3,306.56/x
  3. Step 3: Cross multiply
    5,250.88x = 7,881.12 × 3,306.56
  4. Step 4: Simplify right side
    5,250.88x = 26,059,396.15
  5. Step 5: Solve for x
    x = 26,059,396.15/5,250.88
  6. Step 6: Final answer
    x = 4,962.86

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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.