Home / 9,191.27-13,788.42-3,644.64

Finding the Fourth Proportional to 9,191.27, 13,788.42 and 3,644.64

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Solution

The fourth proportional to 9,191.27, 13,788.42 and 3,644.64 is: 5,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.27 : 13,788.42 = 3,644.64 : x
  2. Step 2: Convert to fraction form
    9,191.27/13,788.42 = 3,644.64/x
  3. Step 3: Cross multiply
    9,191.27x = 13,788.42 × 3,644.64
  4. Step 4: Simplify right side
    9,191.27x = 50,253,870.65
  5. Step 5: Solve for x
    x = 50,253,870.65/9,191.27
  6. Step 6: Final answer
    x = 5,467.57

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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.