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Finding the Fourth Proportional to 8,282.66, 11,429.78 and 4,505.72

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Solution

The fourth proportional to 8,282.66, 11,429.78 and 4,505.72 is: 6,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.66 : 11,429.78 = 4,505.72 : x
  2. Step 2: Convert to fraction form
    8,282.66/11,429.78 = 4,505.72/x
  3. Step 3: Cross multiply
    8,282.66x = 11,429.78 × 4,505.72
  4. Step 4: Simplify right side
    8,282.66x = 51,499,308.66
  5. Step 5: Solve for x
    x = 51,499,308.66/8,282.66
  6. Step 6: Final answer
    x = 6,217.73

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