Home / 5,351.87-8,027.79-2,887.85

Finding the Fourth Proportional to 5,351.87, 8,027.79 and 2,887.85

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Solution

The fourth proportional to 5,351.87, 8,027.79 and 2,887.85 is: 4,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.87 : 8,027.79 = 2,887.85 : x
  2. Step 2: Convert to fraction form
    5,351.87/8,027.79 = 2,887.85/x
  3. Step 3: Cross multiply
    5,351.87x = 8,027.79 × 2,887.85
  4. Step 4: Simplify right side
    5,351.87x = 23,183,053.35
  5. Step 5: Solve for x
    x = 23,183,053.35/5,351.87
  6. Step 6: Final answer
    x = 4,331.77

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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.