Home / 4,733.88-7,102.78-1,961.12

Finding the Fourth Proportional to 4,733.88, 7,102.78 and 1,961.12

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Solution

The fourth proportional to 4,733.88, 7,102.78 and 1,961.12 is: 2,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,733.88 : 7,102.78 = 1,961.12 : x
  2. Step 2: Convert to fraction form
    4,733.88/7,102.78 = 1,961.12/x
  3. Step 3: Cross multiply
    4,733.88x = 7,102.78 × 1,961.12
  4. Step 4: Simplify right side
    4,733.88x = 13,929,403.91
  5. Step 5: Solve for x
    x = 13,929,403.91/4,733.88
  6. Step 6: Final answer
    x = 2,942.49

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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.