Home / 9,286.85-13,926.36-3,947.87

Finding the Fourth Proportional to 9,286.85, 13,926.36 and 3,947.87

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Solution

The fourth proportional to 9,286.85, 13,926.36 and 3,947.87 is: 5,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.85 : 13,926.36 = 3,947.87 : x
  2. Step 2: Convert to fraction form
    9,286.85/13,926.36 = 3,947.87/x
  3. Step 3: Cross multiply
    9,286.85x = 13,926.36 × 3,947.87
  4. Step 4: Simplify right side
    9,286.85x = 54,979,458.85
  5. Step 5: Solve for x
    x = 54,979,458.85/9,286.85
  6. Step 6: Final answer
    x = 5,920.14

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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.