Home / 4,979.84-7,469.24-2,206.56

Finding the Fourth Proportional to 4,979.84, 7,469.24 and 2,206.56

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Solution

The fourth proportional to 4,979.84, 7,469.24 and 2,206.56 is: 3,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.84 : 7,469.24 = 2,206.56 : x
  2. Step 2: Convert to fraction form
    4,979.84/7,469.24 = 2,206.56/x
  3. Step 3: Cross multiply
    4,979.84x = 7,469.24 × 2,206.56
  4. Step 4: Simplify right side
    4,979.84x = 16,481,326.21
  5. Step 5: Solve for x
    x = 16,481,326.21/4,979.84
  6. Step 6: Final answer
    x = 3,309.61

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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.