Home / 5,239.50-7,231.44-3,001.48

Finding the Fourth Proportional to 5,239.50, 7,231.44 and 3,001.48

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Solution

The fourth proportional to 5,239.50, 7,231.44 and 3,001.48 is: 4,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.50 : 7,231.44 = 3,001.48 : x
  2. Step 2: Convert to fraction form
    5,239.50/7,231.44 = 3,001.48/x
  3. Step 3: Cross multiply
    5,239.50x = 7,231.44 × 3,001.48
  4. Step 4: Simplify right side
    5,239.50x = 21,705,022.53
  5. Step 5: Solve for x
    x = 21,705,022.53/5,239.50
  6. Step 6: Final answer
    x = 4,142.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.