Home / 8,789.41-13,187.58-3,855.61

Finding the Fourth Proportional to 8,789.41, 13,187.58 and 3,855.61

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Solution

The fourth proportional to 8,789.41, 13,187.58 and 3,855.61 is: 5,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.41 : 13,187.58 = 3,855.61 : x
  2. Step 2: Convert to fraction form
    8,789.41/13,187.58 = 3,855.61/x
  3. Step 3: Cross multiply
    8,789.41x = 13,187.58 × 3,855.61
  4. Step 4: Simplify right side
    8,789.41x = 50,846,165.32
  5. Step 5: Solve for x
    x = 50,846,165.32/8,789.41
  6. Step 6: Final answer
    x = 5,784.93

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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.