Home / 5,940-8,196.88-3,287.28

Finding the Fourth Proportional to 5,940, 8,196.88 and 3,287.28

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Solution

The fourth proportional to 5,940, 8,196.88 and 3,287.28 is: 4,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940 : 8,196.88 = 3,287.28 : x
  2. Step 2: Convert to fraction form
    5,940/8,196.88 = 3,287.28/x
  3. Step 3: Cross multiply
    5,940x = 8,196.88 × 3,287.28
  4. Step 4: Simplify right side
    5,940x = 26,945,439.69
  5. Step 5: Solve for x
    x = 26,945,439.69/5,940
  6. Step 6: Final answer
    x = 4,536.27

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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.