Home / 5,137.62-7,699.68-2,798.61

Finding the Fourth Proportional to 5,137.62, 7,699.68 and 2,798.61

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Solution

The fourth proportional to 5,137.62, 7,699.68 and 2,798.61 is: 4,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.62 : 7,699.68 = 2,798.61 : x
  2. Step 2: Convert to fraction form
    5,137.62/7,699.68 = 2,798.61/x
  3. Step 3: Cross multiply
    5,137.62x = 7,699.68 × 2,798.61
  4. Step 4: Simplify right side
    5,137.62x = 21,548,401.44
  5. Step 5: Solve for x
    x = 21,548,401.44/5,137.62
  6. Step 6: Final answer
    x = 4,194.24

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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.