Home / 5,942.30-8,918.84-3,171.32

Finding the Fourth Proportional to 5,942.30, 8,918.84 and 3,171.32

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Solution

The fourth proportional to 5,942.30, 8,918.84 and 3,171.32 is: 4,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.30 : 8,918.84 = 3,171.32 : x
  2. Step 2: Convert to fraction form
    5,942.30/8,918.84 = 3,171.32/x
  3. Step 3: Cross multiply
    5,942.30x = 8,918.84 × 3,171.32
  4. Step 4: Simplify right side
    5,942.30x = 28,284,495.67
  5. Step 5: Solve for x
    x = 28,284,495.67/5,942.30
  6. Step 6: Final answer
    x = 4,759.86

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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.