Home / 5,538.49-7,639.68-3,298.84

Finding the Fourth Proportional to 5,538.49, 7,639.68 and 3,298.84

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Solution

The fourth proportional to 5,538.49, 7,639.68 and 3,298.84 is: 4,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.49 : 7,639.68 = 3,298.84 : x
  2. Step 2: Convert to fraction form
    5,538.49/7,639.68 = 3,298.84/x
  3. Step 3: Cross multiply
    5,538.49x = 7,639.68 × 3,298.84
  4. Step 4: Simplify right side
    5,538.49x = 25,202,081.97
  5. Step 5: Solve for x
    x = 25,202,081.97/5,538.49
  6. Step 6: Final answer
    x = 4,550.35

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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.