Home / 4,253.88-6,379.78-1,788.73

Finding the Fourth Proportional to 4,253.88, 6,379.78 and 1,788.73

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Solution

The fourth proportional to 4,253.88, 6,379.78 and 1,788.73 is: 2,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.88 : 6,379.78 = 1,788.73 : x
  2. Step 2: Convert to fraction form
    4,253.88/6,379.78 = 1,788.73/x
  3. Step 3: Cross multiply
    4,253.88x = 6,379.78 × 1,788.73
  4. Step 4: Simplify right side
    4,253.88x = 11,411,703.88
  5. Step 5: Solve for x
    x = 11,411,703.88/4,253.88
  6. Step 6: Final answer
    x = 2,682.66

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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.