Home / 5,978.31-8,249.96-3,325.70

Finding the Fourth Proportional to 5,978.31, 8,249.96 and 3,325.70

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Solution

The fourth proportional to 5,978.31, 8,249.96 and 3,325.70 is: 4,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.31 : 8,249.96 = 3,325.70 : x
  2. Step 2: Convert to fraction form
    5,978.31/8,249.96 = 3,325.70/x
  3. Step 3: Cross multiply
    5,978.31x = 8,249.96 × 3,325.70
  4. Step 4: Simplify right side
    5,978.31x = 27,436,834.09
  5. Step 5: Solve for x
    x = 27,436,834.09/5,978.31
  6. Step 6: Final answer
    x = 4,589.40

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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.