Home / 7,428.68-11,144.92-3,269.60

Finding the Fourth Proportional to 7,428.68, 11,144.92 and 3,269.60

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Solution

The fourth proportional to 7,428.68, 11,144.92 and 3,269.60 is: 4,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.68 : 11,144.92 = 3,269.60 : x
  2. Step 2: Convert to fraction form
    7,428.68/11,144.92 = 3,269.60/x
  3. Step 3: Cross multiply
    7,428.68x = 11,144.92 × 3,269.60
  4. Step 4: Simplify right side
    7,428.68x = 36,439,430.43
  5. Step 5: Solve for x
    x = 36,439,430.43/7,428.68
  6. Step 6: Final answer
    x = 4,905.24

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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.