Home / 6,976.36-9,627.45-3,789.69

Finding the Fourth Proportional to 6,976.36, 9,627.45 and 3,789.69

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Solution

The fourth proportional to 6,976.36, 9,627.45 and 3,789.69 is: 5,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.36 : 9,627.45 = 3,789.69 : x
  2. Step 2: Convert to fraction form
    6,976.36/9,627.45 = 3,789.69/x
  3. Step 3: Cross multiply
    6,976.36x = 9,627.45 × 3,789.69
  4. Step 4: Simplify right side
    6,976.36x = 36,484,983.90
  5. Step 5: Solve for x
    x = 36,484,983.90/6,976.36
  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.