Home / 5,487.32-8,231.70-2,890.44

Finding the Fourth Proportional to 5,487.32, 8,231.70 and 2,890.44

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Solution

The fourth proportional to 5,487.32, 8,231.70 and 2,890.44 is: 4,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.32 : 8,231.70 = 2,890.44 : x
  2. Step 2: Convert to fraction form
    5,487.32/8,231.70 = 2,890.44/x
  3. Step 3: Cross multiply
    5,487.32x = 8,231.70 × 2,890.44
  4. Step 4: Simplify right side
    5,487.32x = 23,793,234.95
  5. Step 5: Solve for x
    x = 23,793,234.95/5,487.32
  6. Step 6: Final answer
    x = 4,336.04

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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.