Home / 7,728.94-11,594.97-3,286.59

Finding the Fourth Proportional to 7,728.94, 11,594.97 and 3,286.59

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Solution

The fourth proportional to 7,728.94, 11,594.97 and 3,286.59 is: 4,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.94 : 11,594.97 = 3,286.59 : x
  2. Step 2: Convert to fraction form
    7,728.94/11,594.97 = 3,286.59/x
  3. Step 3: Cross multiply
    7,728.94x = 11,594.97 × 3,286.59
  4. Step 4: Simplify right side
    7,728.94x = 38,107,967.89
  5. Step 5: Solve for x
    x = 38,107,967.89/7,728.94
  6. Step 6: Final answer
    x = 4,930.56

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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.