Home / 6,786.20-10,175.61-2,104.94

Finding the Fourth Proportional to 6,786.20, 10,175.61 and 2,104.94

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Solution

The fourth proportional to 6,786.20, 10,175.61 and 2,104.94 is: 3,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.20 : 10,175.61 = 2,104.94 : x
  2. Step 2: Convert to fraction form
    6,786.20/10,175.61 = 2,104.94/x
  3. Step 3: Cross multiply
    6,786.20x = 10,175.61 × 2,104.94
  4. Step 4: Simplify right side
    6,786.20x = 21,419,048.51
  5. Step 5: Solve for x
    x = 21,419,048.51/6,786.20
  6. Step 6: Final answer
    x = 3,156.27

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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.