Home / 6,809.12-10,213.68-2,705.12

Finding the Fourth Proportional to 6,809.12, 10,213.68 and 2,705.12

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Solution

The fourth proportional to 6,809.12, 10,213.68 and 2,705.12 is: 4,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.12 : 10,213.68 = 2,705.12 : x
  2. Step 2: Convert to fraction form
    6,809.12/10,213.68 = 2,705.12/x
  3. Step 3: Cross multiply
    6,809.12x = 10,213.68 × 2,705.12
  4. Step 4: Simplify right side
    6,809.12x = 27,629,230.04
  5. Step 5: Solve for x
    x = 27,629,230.04/6,809.12
  6. Step 6: Final answer
    x = 4,057.68

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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.