Home / 6,936.21-10,394.19-3,965.49

Finding the Fourth Proportional to 6,936.21, 10,394.19 and 3,965.49

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Solution

The fourth proportional to 6,936.21, 10,394.19 and 3,965.49 is: 5,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.21 : 10,394.19 = 3,965.49 : x
  2. Step 2: Convert to fraction form
    6,936.21/10,394.19 = 3,965.49/x
  3. Step 3: Cross multiply
    6,936.21x = 10,394.19 × 3,965.49
  4. Step 4: Simplify right side
    6,936.21x = 41,218,056.50
  5. Step 5: Solve for x
    x = 41,218,056.50/6,936.21
  6. Step 6: Final answer
    x = 5,942.45

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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.