Home / 6,786.72-10,176.92-3,976.40

Finding the Fourth Proportional to 6,786.72, 10,176.92 and 3,976.40

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Solution

The fourth proportional to 6,786.72, 10,176.92 and 3,976.40 is: 5,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.72 : 10,176.92 = 3,976.40 : x
  2. Step 2: Convert to fraction form
    6,786.72/10,176.92 = 3,976.40/x
  3. Step 3: Cross multiply
    6,786.72x = 10,176.92 × 3,976.40
  4. Step 4: Simplify right side
    6,786.72x = 40,467,504.69
  5. Step 5: Solve for x
    x = 40,467,504.69/6,786.72
  6. Step 6: Final answer
    x = 5,962.75

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1.5x scale

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.