Home / 5,238.44-7,228.84-2,880.56

Finding the Fourth Proportional to 5,238.44, 7,228.84 and 2,880.56

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Solution

The fourth proportional to 5,238.44, 7,228.84 and 2,880.56 is: 3,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.44 : 7,228.84 = 2,880.56 : x
  2. Step 2: Convert to fraction form
    5,238.44/7,228.84 = 2,880.56/x
  3. Step 3: Cross multiply
    5,238.44x = 7,228.84 × 2,880.56
  4. Step 4: Simplify right side
    5,238.44x = 20,823,107.35
  5. Step 5: Solve for x
    x = 20,823,107.35/5,238.44
  6. Step 6: Final answer
    x = 3,975.06

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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.