Home / 7,164.80-10,742.88-3,272.48

Finding the Fourth Proportional to 7,164.80, 10,742.88 and 3,272.48

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Solution

The fourth proportional to 7,164.80, 10,742.88 and 3,272.48 is: 4,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.80 : 10,742.88 = 3,272.48 : x
  2. Step 2: Convert to fraction form
    7,164.80/10,742.88 = 3,272.48/x
  3. Step 3: Cross multiply
    7,164.80x = 10,742.88 × 3,272.48
  4. Step 4: Simplify right side
    7,164.80x = 35,155,859.94
  5. Step 5: Solve for x
    x = 35,155,859.94/7,164.80
  6. Step 6: Final answer
    x = 4,906.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.