Home / 3,961.08-5,463.18-3,696.12

Finding the Fourth Proportional to 3,961.08, 5,463.18 and 3,696.12

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Solution

The fourth proportional to 3,961.08, 5,463.18 and 3,696.12 is: 5,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.08 : 5,463.18 = 3,696.12 : x
  2. Step 2: Convert to fraction form
    3,961.08/5,463.18 = 3,696.12/x
  3. Step 3: Cross multiply
    3,961.08x = 5,463.18 × 3,696.12
  4. Step 4: Simplify right side
    3,961.08x = 20,192,568.86
  5. Step 5: Solve for x
    x = 20,192,568.86/3,961.08
  6. Step 6: Final answer
    x = 5,097.74

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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.