Home / 7,886.41-11,829.61-3,208.96

Finding the Fourth Proportional to 7,886.41, 11,829.61 and 3,208.96

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Solution

The fourth proportional to 7,886.41, 11,829.61 and 3,208.96 is: 4,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.41 : 11,829.61 = 3,208.96 : x
  2. Step 2: Convert to fraction form
    7,886.41/11,829.61 = 3,208.96/x
  3. Step 3: Cross multiply
    7,886.41x = 11,829.61 × 3,208.96
  4. Step 4: Simplify right side
    7,886.41x = 37,960,745.31
  5. Step 5: Solve for x
    x = 37,960,745.31/7,886.41
  6. Step 6: Final answer
    x = 4,813.44

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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.