Home / 7,962.75-11,956.46-4,272.19

Finding the Fourth Proportional to 7,962.75, 11,956.46 and 4,272.19

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Solution

The fourth proportional to 7,962.75, 11,956.46 and 4,272.19 is: 6,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.75 : 11,956.46 = 4,272.19 : x
  2. Step 2: Convert to fraction form
    7,962.75/11,956.46 = 4,272.19/x
  3. Step 3: Cross multiply
    7,962.75x = 11,956.46 × 4,272.19
  4. Step 4: Simplify right side
    7,962.75x = 51,080,217.60
  5. Step 5: Solve for x
    x = 51,080,217.60/7,962.75
  6. Step 6: Final answer
    x = 6,414.90

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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.