Home / 5,629.70-7,767.69-3,270.44

Finding the Fourth Proportional to 5,629.70, 7,767.69 and 3,270.44

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Solution

The fourth proportional to 5,629.70, 7,767.69 and 3,270.44 is: 4,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.70 : 7,767.69 = 3,270.44 : x
  2. Step 2: Convert to fraction form
    5,629.70/7,767.69 = 3,270.44/x
  3. Step 3: Cross multiply
    5,629.70x = 7,767.69 × 3,270.44
  4. Step 4: Simplify right side
    5,629.70x = 25,403,764.08
  5. Step 5: Solve for x
    x = 25,403,764.08/5,629.70
  6. Step 6: Final answer
    x = 4,512.45

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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.