Home / 5,110.27-7,663.79-2,187.79

Finding the Fourth Proportional to 5,110.27, 7,663.79 and 2,187.79

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Solution

The fourth proportional to 5,110.27, 7,663.79 and 2,187.79 is: 3,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.27 : 7,663.79 = 2,187.79 : x
  2. Step 2: Convert to fraction form
    5,110.27/7,663.79 = 2,187.79/x
  3. Step 3: Cross multiply
    5,110.27x = 7,663.79 × 2,187.79
  4. Step 4: Simplify right side
    5,110.27x = 16,766,752.19
  5. Step 5: Solve for x
    x = 16,766,752.19/5,110.27
  6. Step 6: Final answer
    x = 3,280.99

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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.