Home / 6,808.66-10,209.63-3,998.20

Finding the Fourth Proportional to 6,808.66, 10,209.63 and 3,998.20

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Solution

The fourth proportional to 6,808.66, 10,209.63 and 3,998.20 is: 5,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.66 : 10,209.63 = 3,998.20 : x
  2. Step 2: Convert to fraction form
    6,808.66/10,209.63 = 3,998.20/x
  3. Step 3: Cross multiply
    6,808.66x = 10,209.63 × 3,998.20
  4. Step 4: Simplify right side
    6,808.66x = 40,820,142.67
  5. Step 5: Solve for x
    x = 40,820,142.67/6,808.66
  6. Step 6: Final answer
    x = 5,995.33

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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.