Home / 5,236.85-7,227-2,879.14

Finding the Fourth Proportional to 5,236.85, 7,227 and 2,879.14

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Solution

The fourth proportional to 5,236.85, 7,227 and 2,879.14 is: 3,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.85 : 7,227 = 2,879.14 : x
  2. Step 2: Convert to fraction form
    5,236.85/7,227 = 2,879.14/x
  3. Step 3: Cross multiply
    5,236.85x = 7,227 × 2,879.14
  4. Step 4: Simplify right side
    5,236.85x = 20,807,544.78
  5. Step 5: Solve for x
    x = 20,807,544.78/5,236.85
  6. Step 6: Final answer
    x = 3,973.29

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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.