Home / 7,771.49-11,659.19-2,225.27

Finding the Fourth Proportional to 7,771.49, 11,659.19 and 2,225.27

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Solution

The fourth proportional to 7,771.49, 11,659.19 and 2,225.27 is: 3,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.49 : 11,659.19 = 2,225.27 : x
  2. Step 2: Convert to fraction form
    7,771.49/11,659.19 = 2,225.27/x
  3. Step 3: Cross multiply
    7,771.49x = 11,659.19 × 2,225.27
  4. Step 4: Simplify right side
    7,771.49x = 25,944,876.27
  5. Step 5: Solve for x
    x = 25,944,876.27/7,771.49
  6. Step 6: Final answer
    x = 3,338.47

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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.