Home / 5,163.78-7,750.26-3,403.86

Finding the Fourth Proportional to 5,163.78, 7,750.26 and 3,403.86

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Solution

The fourth proportional to 5,163.78, 7,750.26 and 3,403.86 is: 5,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.78 : 7,750.26 = 3,403.86 : x
  2. Step 2: Convert to fraction form
    5,163.78/7,750.26 = 3,403.86/x
  3. Step 3: Cross multiply
    5,163.78x = 7,750.26 × 3,403.86
  4. Step 4: Simplify right side
    5,163.78x = 26,380,800.00
  5. Step 5: Solve for x
    x = 26,380,800.00/5,163.78
  6. Step 6: Final answer
    x = 5,108.82

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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.