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Finding the Fourth Proportional to 7,180.00, 9,908.90 and 4,196.16

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Solution

The fourth proportional to 7,180.00, 9,908.90 and 4,196.16 is: 5,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.00 : 9,908.90 = 4,196.16 : x
  2. Step 2: Convert to fraction form
    7,180.00/9,908.90 = 4,196.16/x
  3. Step 3: Cross multiply
    7,180.00x = 9,908.90 × 4,196.16
  4. Step 4: Simplify right side
    7,180.00x = 41,579,324.58
  5. Step 5: Solve for x
    x = 41,579,324.58/7,180.00
  6. Step 6: Final answer
    x = 5,790.99

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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.