Home / 6,976.48-9,627.62-3,789.81

Finding the Fourth Proportional to 6,976.48, 9,627.62 and 3,789.81

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Solution

The fourth proportional to 6,976.48, 9,627.62 and 3,789.81 is: 5,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.48 : 9,627.62 = 3,789.81 : x
  2. Step 2: Convert to fraction form
    6,976.48/9,627.62 = 3,789.81/x
  3. Step 3: Cross multiply
    6,976.48x = 9,627.62 × 3,789.81
  4. Step 4: Simplify right side
    6,976.48x = 36,486,850.55
  5. Step 5: Solve for x
    x = 36,486,850.55/6,976.48
  6. Step 6: Final answer
    x = 5,229.98

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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.