Home / 7,768.24-11,654.16-2,221.66

Finding the Fourth Proportional to 7,768.24, 11,654.16 and 2,221.66

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Solution

The fourth proportional to 7,768.24, 11,654.16 and 2,221.66 is: 3,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.24 : 11,654.16 = 2,221.66 : x
  2. Step 2: Convert to fraction form
    7,768.24/11,654.16 = 2,221.66/x
  3. Step 3: Cross multiply
    7,768.24x = 11,654.16 × 2,221.66
  4. Step 4: Simplify right side
    7,768.24x = 25,891,581.11
  5. Step 5: Solve for x
    x = 25,891,581.11/7,768.24
  6. Step 6: Final answer
    x = 3,333.00

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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.