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Finding the Fourth Proportional to 6,112.80, 9,166.10 and 2,601.45

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Solution

The fourth proportional to 6,112.80, 9,166.10 and 2,601.45 is: 3,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.80 : 9,166.10 = 2,601.45 : x
  2. Step 2: Convert to fraction form
    6,112.80/9,166.10 = 2,601.45/x
  3. Step 3: Cross multiply
    6,112.80x = 9,166.10 × 2,601.45
  4. Step 4: Simplify right side
    6,112.80x = 23,845,137.84
  5. Step 5: Solve for x
    x = 23,845,137.84/6,112.80
  6. Step 6: Final answer
    x = 3,900.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.