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Finding the Fourth Proportional to 4,967.94, 6,855.73 and 2,843.46

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Solution

The fourth proportional to 4,967.94, 6,855.73 and 2,843.46 is: 3,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.94 : 6,855.73 = 2,843.46 : x
  2. Step 2: Convert to fraction form
    4,967.94/6,855.73 = 2,843.46/x
  3. Step 3: Cross multiply
    4,967.94x = 6,855.73 × 2,843.46
  4. Step 4: Simplify right side
    4,967.94x = 19,493,959.75
  5. Step 5: Solve for x
    x = 19,493,959.75/4,967.94
  6. Step 6: Final answer
    x = 3,923.96

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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.