Home / 7,187.42-10,793.39-3,906.92

Finding the Fourth Proportional to 7,187.42, 10,793.39 and 3,906.92

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Solution

The fourth proportional to 7,187.42, 10,793.39 and 3,906.92 is: 5,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.42 : 10,793.39 = 3,906.92 : x
  2. Step 2: Convert to fraction form
    7,187.42/10,793.39 = 3,906.92/x
  3. Step 3: Cross multiply
    7,187.42x = 10,793.39 × 3,906.92
  4. Step 4: Simplify right side
    7,187.42x = 42,168,837.76
  5. Step 5: Solve for x
    x = 42,168,837.76/7,187.42
  6. Step 6: Final answer
    x = 5,867.04

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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.