Home / 5,071.37-7,604.97-2,107.78

Finding the Fourth Proportional to 5,071.37, 7,604.97 and 2,107.78

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Solution

The fourth proportional to 5,071.37, 7,604.97 and 2,107.78 is: 3,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.37 : 7,604.97 = 2,107.78 : x
  2. Step 2: Convert to fraction form
    5,071.37/7,604.97 = 2,107.78/x
  3. Step 3: Cross multiply
    5,071.37x = 7,604.97 × 2,107.78
  4. Step 4: Simplify right side
    5,071.37x = 16,029,584.65
  5. Step 5: Solve for x
    x = 16,029,584.65/5,071.37
  6. Step 6: Final answer
    x = 3,160.80

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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.