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Finding the Fourth Proportional to 9,166.87, 12,660.63 and 6,177.51

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Solution

The fourth proportional to 9,166.87, 12,660.63 and 6,177.51 is: 8,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.87 : 12,660.63 = 6,177.51 : x
  2. Step 2: Convert to fraction form
    9,166.87/12,660.63 = 6,177.51/x
  3. Step 3: Cross multiply
    9,166.87x = 12,660.63 × 6,177.51
  4. Step 4: Simplify right side
    9,166.87x = 78,211,168.43
  5. Step 5: Solve for x
    x = 78,211,168.43/9,166.87
  6. Step 6: Final answer
    x = 8,531.94

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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.