Home / 4,951.20-6,833.34-2,855.28

Finding the Fourth Proportional to 4,951.20, 6,833.34 and 2,855.28

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Solution

The fourth proportional to 4,951.20, 6,833.34 and 2,855.28 is: 3,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.20 : 6,833.34 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    4,951.20/6,833.34 = 2,855.28/x
  3. Step 3: Cross multiply
    4,951.20x = 6,833.34 × 2,855.28
  4. Step 4: Simplify right side
    4,951.20x = 19,511,099.04
  5. Step 5: Solve for x
    x = 19,511,099.04/4,951.20
  6. Step 6: Final answer
    x = 3,940.68

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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.