Home / 4,997.80-6,891.78-3,226.60

Finding the Fourth Proportional to 4,997.80, 6,891.78 and 3,226.60

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Solution

The fourth proportional to 4,997.80, 6,891.78 and 3,226.60 is: 4,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.80 : 6,891.78 = 3,226.60 : x
  2. Step 2: Convert to fraction form
    4,997.80/6,891.78 = 3,226.60/x
  3. Step 3: Cross multiply
    4,997.80x = 6,891.78 × 3,226.60
  4. Step 4: Simplify right side
    4,997.80x = 22,237,017.35
  5. Step 5: Solve for x
    x = 22,237,017.35/4,997.80
  6. Step 6: Final answer
    x = 4,449.36

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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.