Home / 7,436.98-11,151.66-3,928.87

Finding the Fourth Proportional to 7,436.98, 11,151.66 and 3,928.87

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Solution

The fourth proportional to 7,436.98, 11,151.66 and 3,928.87 is: 5,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.98 : 11,151.66 = 3,928.87 : x
  2. Step 2: Convert to fraction form
    7,436.98/11,151.66 = 3,928.87/x
  3. Step 3: Cross multiply
    7,436.98x = 11,151.66 × 3,928.87
  4. Step 4: Simplify right side
    7,436.98x = 43,813,366.67
  5. Step 5: Solve for x
    x = 43,813,366.67/7,436.98
  6. Step 6: Final answer
    x = 5,891.29

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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.