Home / 5,188.26-7,782.42-4,272.54

Finding the Fourth Proportional to 5,188.26, 7,782.42 and 4,272.54

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Solution

The fourth proportional to 5,188.26, 7,782.42 and 4,272.54 is: 6,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.26 : 7,782.42 = 4,272.54 : x
  2. Step 2: Convert to fraction form
    5,188.26/7,782.42 = 4,272.54/x
  3. Step 3: Cross multiply
    5,188.26x = 7,782.42 × 4,272.54
  4. Step 4: Simplify right side
    5,188.26x = 33,250,700.75
  5. Step 5: Solve for x
    x = 33,250,700.75/5,188.26
  6. Step 6: Final answer
    x = 6,408.83

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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.