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Finding the Fourth Proportional to 6,665.37, 9,990.95 and 5,016.81

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Solution

The fourth proportional to 6,665.37, 9,990.95 and 5,016.81 is: 7,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.37 : 9,990.95 = 5,016.81 : x
  2. Step 2: Convert to fraction form
    6,665.37/9,990.95 = 5,016.81/x
  3. Step 3: Cross multiply
    6,665.37x = 9,990.95 × 5,016.81
  4. Step 4: Simplify right side
    6,665.37x = 50,122,710.25
  5. Step 5: Solve for x
    x = 50,122,710.25/6,665.37
  6. Step 6: Final answer
    x = 7,519.87

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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.