Home / 6,641.19-9,961.80-2,942.42

Finding the Fourth Proportional to 6,641.19, 9,961.80 and 2,942.42

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Solution

The fourth proportional to 6,641.19, 9,961.80 and 2,942.42 is: 4,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.19 : 9,961.80 = 2,942.42 : x
  2. Step 2: Convert to fraction form
    6,641.19/9,961.80 = 2,942.42/x
  3. Step 3: Cross multiply
    6,641.19x = 9,961.80 × 2,942.42
  4. Step 4: Simplify right side
    6,641.19x = 29,311,799.56
  5. Step 5: Solve for x
    x = 29,311,799.56/6,641.19
  6. Step 6: Final answer
    x = 4,413.64

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1.5x scale

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.