Home / 4,990.73-7,487.87-2,217.16

Finding the Fourth Proportional to 4,990.73, 7,487.87 and 2,217.16

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Solution

The fourth proportional to 4,990.73, 7,487.87 and 2,217.16 is: 3,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.73 : 7,487.87 = 2,217.16 : x
  2. Step 2: Convert to fraction form
    4,990.73/7,487.87 = 2,217.16/x
  3. Step 3: Cross multiply
    4,990.73x = 7,487.87 × 2,217.16
  4. Step 4: Simplify right side
    4,990.73x = 16,601,805.85
  5. Step 5: Solve for x
    x = 16,601,805.85/4,990.73
  6. Step 6: Final answer
    x = 3,326.53

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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.