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Finding the Fourth Proportional to 8,768.82, 12,101.13 and 4,790.10

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Solution

The fourth proportional to 8,768.82, 12,101.13 and 4,790.10 is: 6,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.82 : 12,101.13 = 4,790.10 : x
  2. Step 2: Convert to fraction form
    8,768.82/12,101.13 = 4,790.10/x
  3. Step 3: Cross multiply
    8,768.82x = 12,101.13 × 4,790.10
  4. Step 4: Simplify right side
    8,768.82x = 57,965,622.81
  5. Step 5: Solve for x
    x = 57,965,622.81/8,768.82
  6. Step 6: Final answer
    x = 6,610.42

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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.