Home / 7,288.87-10,936.38-3,591.13

Finding the Fourth Proportional to 7,288.87, 10,936.38 and 3,591.13

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Solution

The fourth proportional to 7,288.87, 10,936.38 and 3,591.13 is: 5,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.87 : 10,936.38 = 3,591.13 : x
  2. Step 2: Convert to fraction form
    7,288.87/10,936.38 = 3,591.13/x
  3. Step 3: Cross multiply
    7,288.87x = 10,936.38 × 3,591.13
  4. Step 4: Simplify right side
    7,288.87x = 39,273,948.74
  5. Step 5: Solve for x
    x = 39,273,948.74/7,288.87
  6. Step 6: Final answer
    x = 5,388.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.