Home / 5,171.99-7,137.33-2,934.30

Finding the Fourth Proportional to 5,171.99, 7,137.33 and 2,934.30

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Solution

The fourth proportional to 5,171.99, 7,137.33 and 2,934.30 is: 4,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.99 : 7,137.33 = 2,934.30 : x
  2. Step 2: Convert to fraction form
    5,171.99/7,137.33 = 2,934.30/x
  3. Step 3: Cross multiply
    5,171.99x = 7,137.33 × 2,934.30
  4. Step 4: Simplify right side
    5,171.99x = 20,943,067.42
  5. Step 5: Solve for x
    x = 20,943,067.42/5,171.99
  6. Step 6: Final answer
    x = 4,049.33

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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.