Home / 4,279.65-6,408.41-3,907.86

Finding the Fourth Proportional to 4,279.65, 6,408.41 and 3,907.86

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Solution

The fourth proportional to 4,279.65, 6,408.41 and 3,907.86 is: 5,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.65 : 6,408.41 = 3,907.86 : x
  2. Step 2: Convert to fraction form
    4,279.65/6,408.41 = 3,907.86/x
  3. Step 3: Cross multiply
    4,279.65x = 6,408.41 × 3,907.86
  4. Step 4: Simplify right side
    4,279.65x = 25,043,149.56
  5. Step 5: Solve for x
    x = 25,043,149.56/4,279.65
  6. Step 6: Final answer
    x = 5,851.68

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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.