Home / 8,341.38-12,511.80-3,961.98

Finding the Fourth Proportional to 8,341.38, 12,511.80 and 3,961.98

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Solution

The fourth proportional to 8,341.38, 12,511.80 and 3,961.98 is: 5,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.38 : 12,511.80 = 3,961.98 : x
  2. Step 2: Convert to fraction form
    8,341.38/12,511.80 = 3,961.98/x
  3. Step 3: Cross multiply
    8,341.38x = 12,511.80 × 3,961.98
  4. Step 4: Simplify right side
    8,341.38x = 49,571,501.36
  5. Step 5: Solve for x
    x = 49,571,501.36/8,341.38
  6. Step 6: Final answer
    x = 5,942.84

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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.