Home / 4,951.31-6,832.64-2,855.75

Finding the Fourth Proportional to 4,951.31, 6,832.64 and 2,855.75

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Solution

The fourth proportional to 4,951.31, 6,832.64 and 2,855.75 is: 3,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.31 : 6,832.64 = 2,855.75 : x
  2. Step 2: Convert to fraction form
    4,951.31/6,832.64 = 2,855.75/x
  3. Step 3: Cross multiply
    4,951.31x = 6,832.64 × 2,855.75
  4. Step 4: Simplify right side
    4,951.31x = 19,512,284.66
  5. Step 5: Solve for x
    x = 19,512,284.66/4,951.31
  6. Step 6: Final answer
    x = 3,940.84

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1.5x scale

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.