Home / 7,947.96-11,907.41-3,723.46

Finding the Fourth Proportional to 7,947.96, 11,907.41 and 3,723.46

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Solution

The fourth proportional to 7,947.96, 11,907.41 and 3,723.46 is: 5,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.96 : 11,907.41 = 3,723.46 : x
  2. Step 2: Convert to fraction form
    7,947.96/11,907.41 = 3,723.46/x
  3. Step 3: Cross multiply
    7,947.96x = 11,907.41 × 3,723.46
  4. Step 4: Simplify right side
    7,947.96x = 44,336,764.84
  5. Step 5: Solve for x
    x = 44,336,764.84/7,947.96
  6. Step 6: Final answer
    x = 5,578.38

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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.