Home / 5,214.43-7,195.97-2,976.60

Finding the Fourth Proportional to 5,214.43, 7,195.97 and 2,976.60

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Solution

The fourth proportional to 5,214.43, 7,195.97 and 2,976.60 is: 4,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.43 : 7,195.97 = 2,976.60 : x
  2. Step 2: Convert to fraction form
    5,214.43/7,195.97 = 2,976.60/x
  3. Step 3: Cross multiply
    5,214.43x = 7,195.97 × 2,976.60
  4. Step 4: Simplify right side
    5,214.43x = 21,419,509.42
  5. Step 5: Solve for x
    x = 21,419,509.42/5,214.43
  6. Step 6: Final answer
    x = 4,107.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.