Home / 7,884.90-11,834.58-3,992.04

Finding the Fourth Proportional to 7,884.90, 11,834.58 and 3,992.04

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Solution

The fourth proportional to 7,884.90, 11,834.58 and 3,992.04 is: 5,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.90 : 11,834.58 = 3,992.04 : x
  2. Step 2: Convert to fraction form
    7,884.90/11,834.58 = 3,992.04/x
  3. Step 3: Cross multiply
    7,884.90x = 11,834.58 × 3,992.04
  4. Step 4: Simplify right side
    7,884.90x = 47,244,116.74
  5. Step 5: Solve for x
    x = 47,244,116.74/7,884.90
  6. Step 6: Final answer
    x = 5,991.72

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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.