Home / 6,105.62-9,158.45-2,209.12

Finding the Fourth Proportional to 6,105.62, 9,158.45 and 2,209.12

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Solution

The fourth proportional to 6,105.62, 9,158.45 and 2,209.12 is: 3,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.62 : 9,158.45 = 2,209.12 : x
  2. Step 2: Convert to fraction form
    6,105.62/9,158.45 = 2,209.12/x
  3. Step 3: Cross multiply
    6,105.62x = 9,158.45 × 2,209.12
  4. Step 4: Simplify right side
    6,105.62x = 20,232,081.12
  5. Step 5: Solve for x
    x = 20,232,081.12/6,105.62
  6. Step 6: Final answer
    x = 3,313.68

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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.