Home / 5,628.78-7,768.97-3,272.28

Finding the Fourth Proportional to 5,628.78, 7,768.97 and 3,272.28

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Solution

The fourth proportional to 5,628.78, 7,768.97 and 3,272.28 is: 4,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.78 : 7,768.97 = 3,272.28 : x
  2. Step 2: Convert to fraction form
    5,628.78/7,768.97 = 3,272.28/x
  3. Step 3: Cross multiply
    5,628.78x = 7,768.97 × 3,272.28
  4. Step 4: Simplify right side
    5,628.78x = 25,422,228.79
  5. Step 5: Solve for x
    x = 25,422,228.79/5,628.78
  6. Step 6: Final answer
    x = 4,516.47

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1.5x scale

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.