Home / 7,663.13-11,484.82-3,215.79

Finding the Fourth Proportional to 7,663.13, 11,484.82 and 3,215.79

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Solution

The fourth proportional to 7,663.13, 11,484.82 and 3,215.79 is: 4,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.13 : 11,484.82 = 3,215.79 : x
  2. Step 2: Convert to fraction form
    7,663.13/11,484.82 = 3,215.79/x
  3. Step 3: Cross multiply
    7,663.13x = 11,484.82 × 3,215.79
  4. Step 4: Simplify right side
    7,663.13x = 36,932,761.27
  5. Step 5: Solve for x
    x = 36,932,761.27/7,663.13
  6. Step 6: Final answer
    x = 4,819.54

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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.