Home / 7,989.56-11,979.33-2,441.06

Finding the Fourth Proportional to 7,989.56, 11,979.33 and 2,441.06

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Solution

The fourth proportional to 7,989.56, 11,979.33 and 2,441.06 is: 3,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.56 : 11,979.33 = 2,441.06 : x
  2. Step 2: Convert to fraction form
    7,989.56/11,979.33 = 2,441.06/x
  3. Step 3: Cross multiply
    7,989.56x = 11,979.33 × 2,441.06
  4. Step 4: Simplify right side
    7,989.56x = 29,242,263.29
  5. Step 5: Solve for x
    x = 29,242,263.29/7,989.56
  6. Step 6: Final answer
    x = 3,660.06

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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.