Home / 9,243.42-13,860.92-2,668.04

Finding the Fourth Proportional to 9,243.42, 13,860.92 and 2,668.04

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Solution

The fourth proportional to 9,243.42, 13,860.92 and 2,668.04 is: 4,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.42 : 13,860.92 = 2,668.04 : x
  2. Step 2: Convert to fraction form
    9,243.42/13,860.92 = 2,668.04/x
  3. Step 3: Cross multiply
    9,243.42x = 13,860.92 × 2,668.04
  4. Step 4: Simplify right side
    9,243.42x = 36,981,478.34
  5. Step 5: Solve for x
    x = 36,981,478.34/9,243.42
  6. Step 6: Final answer
    x = 4,000.85

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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.