Home / 9,211.90-13,820.77-3,288.65

Finding the Fourth Proportional to 9,211.90, 13,820.77 and 3,288.65

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Solution

The fourth proportional to 9,211.90, 13,820.77 and 3,288.65 is: 4,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.90 : 13,820.77 = 3,288.65 : x
  2. Step 2: Convert to fraction form
    9,211.90/13,820.77 = 3,288.65/x
  3. Step 3: Cross multiply
    9,211.90x = 13,820.77 × 3,288.65
  4. Step 4: Simplify right side
    9,211.90x = 45,451,732.44
  5. Step 5: Solve for x
    x = 45,451,732.44/9,211.90
  6. Step 6: Final answer
    x = 4,934.02

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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.