Home / 6,738.80-10,107.28-1,994.83

Finding the Fourth Proportional to 6,738.80, 10,107.28 and 1,994.83

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Solution

The fourth proportional to 6,738.80, 10,107.28 and 1,994.83 is: 2,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.80 : 10,107.28 = 1,994.83 : x
  2. Step 2: Convert to fraction form
    6,738.80/10,107.28 = 1,994.83/x
  3. Step 3: Cross multiply
    6,738.80x = 10,107.28 × 1,994.83
  4. Step 4: Simplify right side
    6,738.80x = 20,162,282.59
  5. Step 5: Solve for x
    x = 20,162,282.59/6,738.80
  6. Step 6: Final answer
    x = 2,991.97

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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.