Home / 8,093.18-12,121.54-4,145.65

Finding the Fourth Proportional to 8,093.18, 12,121.54 and 4,145.65

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Solution

The fourth proportional to 8,093.18, 12,121.54 and 4,145.65 is: 6,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.18 : 12,121.54 = 4,145.65 : x
  2. Step 2: Convert to fraction form
    8,093.18/12,121.54 = 4,145.65/x
  3. Step 3: Cross multiply
    8,093.18x = 12,121.54 × 4,145.65
  4. Step 4: Simplify right side
    8,093.18x = 50,251,662.30
  5. Step 5: Solve for x
    x = 50,251,662.30/8,093.18
  6. Step 6: Final answer
    x = 6,209.14

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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.