Home / 7,286.30-10,932.15-2,906.90

Finding the Fourth Proportional to 7,286.30, 10,932.15 and 2,906.90

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Solution

The fourth proportional to 7,286.30, 10,932.15 and 2,906.90 is: 4,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.30 : 10,932.15 = 2,906.90 : x
  2. Step 2: Convert to fraction form
    7,286.30/10,932.15 = 2,906.90/x
  3. Step 3: Cross multiply
    7,286.30x = 10,932.15 × 2,906.90
  4. Step 4: Simplify right side
    7,286.30x = 31,778,666.84
  5. Step 5: Solve for x
    x = 31,778,666.84/7,286.30
  6. Step 6: Final answer
    x = 4,361.43

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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.