Home / 5,165.16-7,743.42-2,086.44

Finding the Fourth Proportional to 5,165.16, 7,743.42 and 2,086.44

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Solution

The fourth proportional to 5,165.16, 7,743.42 and 2,086.44 is: 3,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.16 : 7,743.42 = 2,086.44 : x
  2. Step 2: Convert to fraction form
    5,165.16/7,743.42 = 2,086.44/x
  3. Step 3: Cross multiply
    5,165.16x = 7,743.42 × 2,086.44
  4. Step 4: Simplify right side
    5,165.16x = 16,156,181.22
  5. Step 5: Solve for x
    x = 16,156,181.22/5,165.16
  6. Step 6: Final answer
    x = 3,127.91

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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.