Home / 7,163.22-10,740.52-3,213.75

Finding the Fourth Proportional to 7,163.22, 10,740.52 and 3,213.75

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Solution

The fourth proportional to 7,163.22, 10,740.52 and 3,213.75 is: 4,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.22 : 10,740.52 = 3,213.75 : x
  2. Step 2: Convert to fraction form
    7,163.22/10,740.52 = 3,213.75/x
  3. Step 3: Cross multiply
    7,163.22x = 10,740.52 × 3,213.75
  4. Step 4: Simplify right side
    7,163.22x = 34,517,330.08
  5. Step 5: Solve for x
    x = 34,517,330.08/7,163.22
  6. Step 6: Final answer
    x = 4,818.69

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1.5x scale

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.