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Finding the Fourth Proportional to 8,101.13, 11,176.83 and 6,606.45

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Solution

The fourth proportional to 8,101.13, 11,176.83 and 6,606.45 is: 9,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.13 : 11,176.83 = 6,606.45 : x
  2. Step 2: Convert to fraction form
    8,101.13/11,176.83 = 6,606.45/x
  3. Step 3: Cross multiply
    8,101.13x = 11,176.83 × 6,606.45
  4. Step 4: Simplify right side
    8,101.13x = 73,839,168.55
  5. Step 5: Solve for x
    x = 73,839,168.55/8,101.13
  6. Step 6: Final answer
    x = 9,114.68

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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.