Home / 4,992.12-7,490.88-2,072.44

Finding the Fourth Proportional to 4,992.12, 7,490.88 and 2,072.44

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Solution

The fourth proportional to 4,992.12, 7,490.88 and 2,072.44 is: 3,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.12 : 7,490.88 = 2,072.44 : x
  2. Step 2: Convert to fraction form
    4,992.12/7,490.88 = 2,072.44/x
  3. Step 3: Cross multiply
    4,992.12x = 7,490.88 × 2,072.44
  4. Step 4: Simplify right side
    4,992.12x = 15,524,399.35
  5. Step 5: Solve for x
    x = 15,524,399.35/4,992.12
  6. Step 6: Final answer
    x = 3,109.78

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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.