Home / 5,239.54-7,849.32-2,699.38

Finding the Fourth Proportional to 5,239.54, 7,849.32 and 2,699.38

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Solution

The fourth proportional to 5,239.54, 7,849.32 and 2,699.38 is: 4,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.54 : 7,849.32 = 2,699.38 : x
  2. Step 2: Convert to fraction form
    5,239.54/7,849.32 = 2,699.38/x
  3. Step 3: Cross multiply
    5,239.54x = 7,849.32 × 2,699.38
  4. Step 4: Simplify right side
    5,239.54x = 21,188,297.42
  5. Step 5: Solve for x
    x = 21,188,297.42/5,239.54
  6. Step 6: Final answer
    x = 4,043.92

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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.