Home / 5,393.10-8,086.76-1,694.38

Finding the Fourth Proportional to 5,393.10, 8,086.76 and 1,694.38

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Solution

The fourth proportional to 5,393.10, 8,086.76 and 1,694.38 is: 2,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.10 : 8,086.76 = 1,694.38 : x
  2. Step 2: Convert to fraction form
    5,393.10/8,086.76 = 1,694.38/x
  3. Step 3: Cross multiply
    5,393.10x = 8,086.76 × 1,694.38
  4. Step 4: Simplify right side
    5,393.10x = 13,702,044.41
  5. Step 5: Solve for x
    x = 13,702,044.41/5,393.10
  6. Step 6: Final answer
    x = 2,540.66

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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.