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Finding the Fourth Proportional to 6,808.77, 10,207.97 and 3,519.77

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Solution

The fourth proportional to 6,808.77, 10,207.97 and 3,519.77 is: 5,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.77 : 10,207.97 = 3,519.77 : x
  2. Step 2: Convert to fraction form
    6,808.77/10,207.97 = 3,519.77/x
  3. Step 3: Cross multiply
    6,808.77x = 10,207.97 × 3,519.77
  4. Step 4: Simplify right side
    6,808.77x = 35,929,637.93
  5. Step 5: Solve for x
    x = 35,929,637.93/6,808.77
  6. Step 6: Final answer
    x = 5,276.96

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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.