Home / 4,661.24-6,979.39-3,923.12

Finding the Fourth Proportional to 4,661.24, 6,979.39 and 3,923.12

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Solution

The fourth proportional to 4,661.24, 6,979.39 and 3,923.12 is: 5,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.24 : 6,979.39 = 3,923.12 : x
  2. Step 2: Convert to fraction form
    4,661.24/6,979.39 = 3,923.12/x
  3. Step 3: Cross multiply
    4,661.24x = 6,979.39 × 3,923.12
  4. Step 4: Simplify right side
    4,661.24x = 27,380,992.14
  5. Step 5: Solve for x
    x = 27,380,992.14/4,661.24
  6. Step 6: Final answer
    x = 5,874.19

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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.