Home / 5,236.82-7,226.91-2,879.12

Finding the Fourth Proportional to 5,236.82, 7,226.91 and 2,879.12

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Solution

The fourth proportional to 5,236.82, 7,226.91 and 2,879.12 is: 3,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.82 : 7,226.91 = 2,879.12 : x
  2. Step 2: Convert to fraction form
    5,236.82/7,226.91 = 2,879.12/x
  3. Step 3: Cross multiply
    5,236.82x = 7,226.91 × 2,879.12
  4. Step 4: Simplify right side
    5,236.82x = 20,807,104.98
  5. Step 5: Solve for x
    x = 20,807,104.98/5,236.82
  6. Step 6: Final answer
    x = 3,973.24

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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.