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Finding the Fourth Proportional to 8,716.35, 12,027.65 and 5,179.08

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Solution

The fourth proportional to 8,716.35, 12,027.65 and 5,179.08 is: 7,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.35 : 12,027.65 = 5,179.08 : x
  2. Step 2: Convert to fraction form
    8,716.35/12,027.65 = 5,179.08/x
  3. Step 3: Cross multiply
    8,716.35x = 12,027.65 × 5,179.08
  4. Step 4: Simplify right side
    8,716.35x = 62,292,135.67
  5. Step 5: Solve for x
    x = 62,292,135.67/8,716.35
  6. Step 6: Final answer
    x = 7,146.58

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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.