Home / 6,786.68-9,361.05-3,992.18

Finding the Fourth Proportional to 6,786.68, 9,361.05 and 3,992.18

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Solution

The fourth proportional to 6,786.68, 9,361.05 and 3,992.18 is: 5,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.68 : 9,361.05 = 3,992.18 : x
  2. Step 2: Convert to fraction form
    6,786.68/9,361.05 = 3,992.18/x
  3. Step 3: Cross multiply
    6,786.68x = 9,361.05 × 3,992.18
  4. Step 4: Simplify right side
    6,786.68x = 37,370,996.59
  5. Step 5: Solve for x
    x = 37,370,996.59/6,786.68
  6. Step 6: Final answer
    x = 5,506.52

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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.