Home / 7,668.44-11,502.01-2,121.85

Finding the Fourth Proportional to 7,668.44, 11,502.01 and 2,121.85

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Solution

The fourth proportional to 7,668.44, 11,502.01 and 2,121.85 is: 3,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.44 : 11,502.01 = 2,121.85 : x
  2. Step 2: Convert to fraction form
    7,668.44/11,502.01 = 2,121.85/x
  3. Step 3: Cross multiply
    7,668.44x = 11,502.01 × 2,121.85
  4. Step 4: Simplify right side
    7,668.44x = 24,405,539.92
  5. Step 5: Solve for x
    x = 24,405,539.92/7,668.44
  6. Step 6: Final answer
    x = 3,182.60

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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.