Home / 5,170.73-7,137.21-2,934.09

Finding the Fourth Proportional to 5,170.73, 7,137.21 and 2,934.09

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Solution

The fourth proportional to 5,170.73, 7,137.21 and 2,934.09 is: 4,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.73 : 7,137.21 = 2,934.09 : x
  2. Step 2: Convert to fraction form
    5,170.73/7,137.21 = 2,934.09/x
  3. Step 3: Cross multiply
    5,170.73x = 7,137.21 × 2,934.09
  4. Step 4: Simplify right side
    5,170.73x = 20,941,216.49
  5. Step 5: Solve for x
    x = 20,941,216.49/5,170.73
  6. Step 6: Final answer
    x = 4,049.96

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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.