Home / 5,271.52-7,272.20-3,480.88

Finding the Fourth Proportional to 5,271.52, 7,272.20 and 3,480.88

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Solution

The fourth proportional to 5,271.52, 7,272.20 and 3,480.88 is: 4,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.52 : 7,272.20 = 3,480.88 : x
  2. Step 2: Convert to fraction form
    5,271.52/7,272.20 = 3,480.88/x
  3. Step 3: Cross multiply
    5,271.52x = 7,272.20 × 3,480.88
  4. Step 4: Simplify right side
    5,271.52x = 25,313,655.54
  5. Step 5: Solve for x
    x = 25,313,655.54/5,271.52
  6. Step 6: Final answer
    x = 4,801.97

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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.