Home / 7,327.80-10,989.27-3,377.43

Finding the Fourth Proportional to 7,327.80, 10,989.27 and 3,377.43

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Solution

The fourth proportional to 7,327.80, 10,989.27 and 3,377.43 is: 5,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.80 : 10,989.27 = 3,377.43 : x
  2. Step 2: Convert to fraction form
    7,327.80/10,989.27 = 3,377.43/x
  3. Step 3: Cross multiply
    7,327.80x = 10,989.27 × 3,377.43
  4. Step 4: Simplify right side
    7,327.80x = 37,115,490.18
  5. Step 5: Solve for x
    x = 37,115,490.18/7,327.80
  6. Step 6: Final answer
    x = 5,065.02

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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.