Home / 4,816.30-7,221.86-2,217

Finding the Fourth Proportional to 4,816.30, 7,221.86 and 2,217

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Solution

The fourth proportional to 4,816.30, 7,221.86 and 2,217 is: 3,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.30 : 7,221.86 = 2,217 : x
  2. Step 2: Convert to fraction form
    4,816.30/7,221.86 = 2,217/x
  3. Step 3: Cross multiply
    4,816.30x = 7,221.86 × 2,217
  4. Step 4: Simplify right side
    4,816.30x = 16,010,863.62
  5. Step 5: Solve for x
    x = 16,010,863.62/4,816.30
  6. Step 6: Final answer
    x = 3,324.31

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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.