Home / 5,239.89-7,850.66-2,769.32

Finding the Fourth Proportional to 5,239.89, 7,850.66 and 2,769.32

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Solution

The fourth proportional to 5,239.89, 7,850.66 and 2,769.32 is: 4,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.89 : 7,850.66 = 2,769.32 : x
  2. Step 2: Convert to fraction form
    5,239.89/7,850.66 = 2,769.32/x
  3. Step 3: Cross multiply
    5,239.89x = 7,850.66 × 2,769.32
  4. Step 4: Simplify right side
    5,239.89x = 21,740,995.53
  5. Step 5: Solve for x
    x = 21,740,995.53/5,239.89
  6. Step 6: Final answer
    x = 4,149.13

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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.