Home / 7,738.20-11,579.94-4,817.88

Finding the Fourth Proportional to 7,738.20, 11,579.94 and 4,817.88

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Solution

The fourth proportional to 7,738.20, 11,579.94 and 4,817.88 is: 7,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.20 : 11,579.94 = 4,817.88 : x
  2. Step 2: Convert to fraction form
    7,738.20/11,579.94 = 4,817.88/x
  3. Step 3: Cross multiply
    7,738.20x = 11,579.94 × 4,817.88
  4. Step 4: Simplify right side
    7,738.20x = 55,790,761.33
  5. Step 5: Solve for x
    x = 55,790,761.33/7,738.20
  6. Step 6: Final answer
    x = 7,209.79

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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.