Home / 7,941.62-11,911.92-2,395.15

Finding the Fourth Proportional to 7,941.62, 11,911.92 and 2,395.15

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Solution

The fourth proportional to 7,941.62, 11,911.92 and 2,395.15 is: 3,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.62 : 11,911.92 = 2,395.15 : x
  2. Step 2: Convert to fraction form
    7,941.62/11,911.92 = 2,395.15/x
  3. Step 3: Cross multiply
    7,941.62x = 11,911.92 × 2,395.15
  4. Step 4: Simplify right side
    7,941.62x = 28,530,835.19
  5. Step 5: Solve for x
    x = 28,530,835.19/7,941.62
  6. Step 6: Final answer
    x = 3,592.57

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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.