Home / 4,255.86-6,379.04-1,789.94

Finding the Fourth Proportional to 4,255.86, 6,379.04 and 1,789.94

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Solution

The fourth proportional to 4,255.86, 6,379.04 and 1,789.94 is: 2,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.86 : 6,379.04 = 1,789.94 : x
  2. Step 2: Convert to fraction form
    4,255.86/6,379.04 = 1,789.94/x
  3. Step 3: Cross multiply
    4,255.86x = 6,379.04 × 1,789.94
  4. Step 4: Simplify right side
    4,255.86x = 11,418,098.86
  5. Step 5: Solve for x
    x = 11,418,098.86/4,255.86
  6. Step 6: Final answer
    x = 2,682.91

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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.