Home / 6,976.35-9,627.54-3,789.64

Finding the Fourth Proportional to 6,976.35, 9,627.54 and 3,789.64

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Solution

The fourth proportional to 6,976.35, 9,627.54 and 3,789.64 is: 5,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.35 : 9,627.54 = 3,789.64 : x
  2. Step 2: Convert to fraction form
    6,976.35/9,627.54 = 3,789.64/x
  3. Step 3: Cross multiply
    6,976.35x = 9,627.54 × 3,789.64
  4. Step 4: Simplify right side
    6,976.35x = 36,484,910.69
  5. Step 5: Solve for x
    x = 36,484,910.69/6,976.35
  6. Step 6: Final answer
    x = 5,229.80

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1.5x scale

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.