Home / 8,511.24-12,759.96-3,827.82

Finding the Fourth Proportional to 8,511.24, 12,759.96 and 3,827.82

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Solution

The fourth proportional to 8,511.24, 12,759.96 and 3,827.82 is: 5,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.24 : 12,759.96 = 3,827.82 : x
  2. Step 2: Convert to fraction form
    8,511.24/12,759.96 = 3,827.82/x
  3. Step 3: Cross multiply
    8,511.24x = 12,759.96 × 3,827.82
  4. Step 4: Simplify right side
    8,511.24x = 48,842,830.09
  5. Step 5: Solve for x
    x = 48,842,830.09/8,511.24
  6. Step 6: Final answer
    x = 5,738.63

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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.