Home / 5,147.37-7,717.68-2,027.79

Finding the Fourth Proportional to 5,147.37, 7,717.68 and 2,027.79

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Solution

The fourth proportional to 5,147.37, 7,717.68 and 2,027.79 is: 3,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.37 : 7,717.68 = 2,027.79 : x
  2. Step 2: Convert to fraction form
    5,147.37/7,717.68 = 2,027.79/x
  3. Step 3: Cross multiply
    5,147.37x = 7,717.68 × 2,027.79
  4. Step 4: Simplify right side
    5,147.37x = 15,649,834.33
  5. Step 5: Solve for x
    x = 15,649,834.33/5,147.37
  6. Step 6: Final answer
    x = 3,040.36

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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.