Home / 4,961.28-6,845.88-2,971.44

Finding the Fourth Proportional to 4,961.28, 6,845.88 and 2,971.44

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Solution

The fourth proportional to 4,961.28, 6,845.88 and 2,971.44 is: 4,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.28 : 6,845.88 = 2,971.44 : x
  2. Step 2: Convert to fraction form
    4,961.28/6,845.88 = 2,971.44/x
  3. Step 3: Cross multiply
    4,961.28x = 6,845.88 × 2,971.44
  4. Step 4: Simplify right side
    4,961.28x = 20,342,121.67
  5. Step 5: Solve for x
    x = 20,342,121.67/4,961.28
  6. Step 6: Final answer
    x = 4,100.18

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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.