Home / 7,620.06-11,420.07-3,232.09

Finding the Fourth Proportional to 7,620.06, 11,420.07 and 3,232.09

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Solution

The fourth proportional to 7,620.06, 11,420.07 and 3,232.09 is: 4,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.06 : 11,420.07 = 3,232.09 : x
  2. Step 2: Convert to fraction form
    7,620.06/11,420.07 = 3,232.09/x
  3. Step 3: Cross multiply
    7,620.06x = 11,420.07 × 3,232.09
  4. Step 4: Simplify right side
    7,620.06x = 36,910,694.05
  5. Step 5: Solve for x
    x = 36,910,694.05/7,620.06
  6. Step 6: Final answer
    x = 4,843.88

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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.