Home / 4,618.82-6,928.61-1,331.98

Finding the Fourth Proportional to 4,618.82, 6,928.61 and 1,331.98

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Solution

The fourth proportional to 4,618.82, 6,928.61 and 1,331.98 is: 1,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.82 : 6,928.61 = 1,331.98 : x
  2. Step 2: Convert to fraction form
    4,618.82/6,928.61 = 1,331.98/x
  3. Step 3: Cross multiply
    4,618.82x = 6,928.61 × 1,331.98
  4. Step 4: Simplify right side
    4,618.82x = 9,228,745.97
  5. Step 5: Solve for x
    x = 9,228,745.97/4,618.82
  6. Step 6: Final answer
    x = 1,998.07

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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.