Home / 7,659.97-11,491.04-2,728.56

Finding the Fourth Proportional to 7,659.97, 11,491.04 and 2,728.56

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Solution

The fourth proportional to 7,659.97, 11,491.04 and 2,728.56 is: 4,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.97 : 11,491.04 = 2,728.56 : x
  2. Step 2: Convert to fraction form
    7,659.97/11,491.04 = 2,728.56/x
  3. Step 3: Cross multiply
    7,659.97x = 11,491.04 × 2,728.56
  4. Step 4: Simplify right side
    7,659.97x = 31,353,992.10
  5. Step 5: Solve for x
    x = 31,353,992.10/7,659.97
  6. Step 6: Final answer
    x = 4,093.23

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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.