Home / 5,385.38-8,077.97-2,935.79

Finding the Fourth Proportional to 5,385.38, 8,077.97 and 2,935.79

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Solution

The fourth proportional to 5,385.38, 8,077.97 and 2,935.79 is: 4,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.38 : 8,077.97 = 2,935.79 : x
  2. Step 2: Convert to fraction form
    5,385.38/8,077.97 = 2,935.79/x
  3. Step 3: Cross multiply
    5,385.38x = 8,077.97 × 2,935.79
  4. Step 4: Simplify right side
    5,385.38x = 23,715,168.48
  5. Step 5: Solve for x
    x = 23,715,168.48/5,385.38
  6. Step 6: Final answer
    x = 4,403.62

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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.