Home / 7,663.38-11,485.19-3,216.04

Finding the Fourth Proportional to 7,663.38, 11,485.19 and 3,216.04

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Solution

The fourth proportional to 7,663.38, 11,485.19 and 3,216.04 is: 4,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.38 : 11,485.19 = 3,216.04 : x
  2. Step 2: Convert to fraction form
    7,663.38/11,485.19 = 3,216.04/x
  3. Step 3: Cross multiply
    7,663.38x = 11,485.19 × 3,216.04
  4. Step 4: Simplify right side
    7,663.38x = 36,936,830.45
  5. Step 5: Solve for x
    x = 36,936,830.45/7,663.38
  6. Step 6: Final answer
    x = 4,819.91

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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.