Home / 7,884.98-11,827.13-1,961.75

Finding the Fourth Proportional to 7,884.98, 11,827.13 and 1,961.75

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Solution

The fourth proportional to 7,884.98, 11,827.13 and 1,961.75 is: 2,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.98 : 11,827.13 = 1,961.75 : x
  2. Step 2: Convert to fraction form
    7,884.98/11,827.13 = 1,961.75/x
  3. Step 3: Cross multiply
    7,884.98x = 11,827.13 × 1,961.75
  4. Step 4: Simplify right side
    7,884.98x = 23,201,803.33
  5. Step 5: Solve for x
    x = 23,201,803.33/7,884.98
  6. Step 6: Final answer
    x = 2,942.53

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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.