Home / 8,440.73-11,647.61-4,663.86

Finding the Fourth Proportional to 8,440.73, 11,647.61 and 4,663.86

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Solution

The fourth proportional to 8,440.73, 11,647.61 and 4,663.86 is: 6,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.73 : 11,647.61 = 4,663.86 : x
  2. Step 2: Convert to fraction form
    8,440.73/11,647.61 = 4,663.86/x
  3. Step 3: Cross multiply
    8,440.73x = 11,647.61 × 4,663.86
  4. Step 4: Simplify right side
    8,440.73x = 54,322,764.14
  5. Step 5: Solve for x
    x = 54,322,764.14/8,440.73
  6. Step 6: Final answer
    x = 6,435.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.