Home / 5,982.21-8,974.41-1,821.75

Finding the Fourth Proportional to 5,982.21, 8,974.41 and 1,821.75

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Solution

The fourth proportional to 5,982.21, 8,974.41 and 1,821.75 is: 2,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.21 : 8,974.41 = 1,821.75 : x
  2. Step 2: Convert to fraction form
    5,982.21/8,974.41 = 1,821.75/x
  3. Step 3: Cross multiply
    5,982.21x = 8,974.41 × 1,821.75
  4. Step 4: Simplify right side
    5,982.21x = 16,349,090.93
  5. Step 5: Solve for x
    x = 16,349,090.93/5,982.21
  6. Step 6: Final answer
    x = 2,732.95

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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.