Home / 7,942.82-10,960.65-4,405.82

Finding the Fourth Proportional to 7,942.82, 10,960.65 and 4,405.82

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Solution

The fourth proportional to 7,942.82, 10,960.65 and 4,405.82 is: 6,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.82 : 10,960.65 = 4,405.82 : x
  2. Step 2: Convert to fraction form
    7,942.82/10,960.65 = 4,405.82/x
  3. Step 3: Cross multiply
    7,942.82x = 10,960.65 × 4,405.82
  4. Step 4: Simplify right side
    7,942.82x = 48,290,596.18
  5. Step 5: Solve for x
    x = 48,290,596.18/7,942.82
  6. Step 6: Final answer
    x = 6,079.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.