Home / 3,936.84-5,427.79-3,226.07

Finding the Fourth Proportional to 3,936.84, 5,427.79 and 3,226.07

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Solution

The fourth proportional to 3,936.84, 5,427.79 and 3,226.07 is: 4,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.84 : 5,427.79 = 3,226.07 : x
  2. Step 2: Convert to fraction form
    3,936.84/5,427.79 = 3,226.07/x
  3. Step 3: Cross multiply
    3,936.84x = 5,427.79 × 3,226.07
  4. Step 4: Simplify right side
    3,936.84x = 17,510,430.49
  5. Step 5: Solve for x
    x = 17,510,430.49/3,936.84
  6. Step 6: Final answer
    x = 4,447.84

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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.