Home / 5,628.06-7,767.78-3,270.54

Finding the Fourth Proportional to 5,628.06, 7,767.78 and 3,270.54

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Solution

The fourth proportional to 5,628.06, 7,767.78 and 3,270.54 is: 4,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.06 : 7,767.78 = 3,270.54 : x
  2. Step 2: Convert to fraction form
    5,628.06/7,767.78 = 3,270.54/x
  3. Step 3: Cross multiply
    5,628.06x = 7,767.78 × 3,270.54
  4. Step 4: Simplify right side
    5,628.06x = 25,404,835.20
  5. Step 5: Solve for x
    x = 25,404,835.20/5,628.06
  6. Step 6: Final answer
    x = 4,513.96

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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.