Home / 6,621.40-9,927.30-2,723.80

Finding the Fourth Proportional to 6,621.40, 9,927.30 and 2,723.80

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Solution

The fourth proportional to 6,621.40, 9,927.30 and 2,723.80 is: 4,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.40 : 9,927.30 = 2,723.80 : x
  2. Step 2: Convert to fraction form
    6,621.40/9,927.30 = 2,723.80/x
  3. Step 3: Cross multiply
    6,621.40x = 9,927.30 × 2,723.80
  4. Step 4: Simplify right side
    6,621.40x = 27,039,979.74
  5. Step 5: Solve for x
    x = 27,039,979.74/6,621.40
  6. Step 6: Final answer
    x = 4,083.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.