Home / 4,138.18-6,207.26-2,405.86

Finding the Fourth Proportional to 4,138.18, 6,207.26 and 2,405.86

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Solution

The fourth proportional to 4,138.18, 6,207.26 and 2,405.86 is: 3,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.18 : 6,207.26 = 2,405.86 : x
  2. Step 2: Convert to fraction form
    4,138.18/6,207.26 = 2,405.86/x
  3. Step 3: Cross multiply
    4,138.18x = 6,207.26 × 2,405.86
  4. Step 4: Simplify right side
    4,138.18x = 14,933,798.54
  5. Step 5: Solve for x
    x = 14,933,798.54/4,138.18
  6. Step 6: Final answer
    x = 3,608.78

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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.