Home / 5,514.91-8,270.62-1,816.31

Finding the Fourth Proportional to 5,514.91, 8,270.62 and 1,816.31

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Solution

The fourth proportional to 5,514.91, 8,270.62 and 1,816.31 is: 2,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.91 : 8,270.62 = 1,816.31 : x
  2. Step 2: Convert to fraction form
    5,514.91/8,270.62 = 1,816.31/x
  3. Step 3: Cross multiply
    5,514.91x = 8,270.62 × 1,816.31
  4. Step 4: Simplify right side
    5,514.91x = 15,022,000.73
  5. Step 5: Solve for x
    x = 15,022,000.73/5,514.91
  6. Step 6: Final answer
    x = 2,723.89

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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.