Home / 5,531.20-7,632.44-3,292.76

Finding the Fourth Proportional to 5,531.20, 7,632.44 and 3,292.76

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Solution

The fourth proportional to 5,531.20, 7,632.44 and 3,292.76 is: 4,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.20 : 7,632.44 = 3,292.76 : x
  2. Step 2: Convert to fraction form
    5,531.20/7,632.44 = 3,292.76/x
  3. Step 3: Cross multiply
    5,531.20x = 7,632.44 × 3,292.76
  4. Step 4: Simplify right side
    5,531.20x = 25,131,793.13
  5. Step 5: Solve for x
    x = 25,131,793.13/5,531.20
  6. Step 6: Final answer
    x = 4,543.64

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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.