Home / 8,104.05-12,145.14-5,326.56

Finding the Fourth Proportional to 8,104.05, 12,145.14 and 5,326.56

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Solution

The fourth proportional to 8,104.05, 12,145.14 and 5,326.56 is: 7,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.05 : 12,145.14 = 5,326.56 : x
  2. Step 2: Convert to fraction form
    8,104.05/12,145.14 = 5,326.56/x
  3. Step 3: Cross multiply
    8,104.05x = 12,145.14 × 5,326.56
  4. Step 4: Simplify right side
    8,104.05x = 64,691,816.92
  5. Step 5: Solve for x
    x = 64,691,816.92/8,104.05
  6. Step 6: Final answer
    x = 7,982.65

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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.