Home / 4,249.86-6,372.60-1,907.86

Finding the Fourth Proportional to 4,249.86, 6,372.60 and 1,907.86

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Solution

The fourth proportional to 4,249.86, 6,372.60 and 1,907.86 is: 2,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.86 : 6,372.60 = 1,907.86 : x
  2. Step 2: Convert to fraction form
    4,249.86/6,372.60 = 1,907.86/x
  3. Step 3: Cross multiply
    4,249.86x = 6,372.60 × 1,907.86
  4. Step 4: Simplify right side
    4,249.86x = 12,158,013.90
  5. Step 5: Solve for x
    x = 12,158,013.90/4,249.86
  6. Step 6: Final answer
    x = 2,860.80

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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.