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Finding the Fourth Proportional to 7,286.82, 10,928.09 and 2,843.49

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Solution

The fourth proportional to 7,286.82, 10,928.09 and 2,843.49 is: 4,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.82 : 10,928.09 = 2,843.49 : x
  2. Step 2: Convert to fraction form
    7,286.82/10,928.09 = 2,843.49/x
  3. Step 3: Cross multiply
    7,286.82x = 10,928.09 × 2,843.49
  4. Step 4: Simplify right side
    7,286.82x = 31,073,914.63
  5. Step 5: Solve for x
    x = 31,073,914.63/7,286.82
  6. Step 6: Final answer
    x = 4,264.40

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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.