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Finding the Fourth Proportional to 6,808.09, 10,211.16 and 2,127.01

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Solution

The fourth proportional to 6,808.09, 10,211.16 and 2,127.01 is: 3,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.09 : 10,211.16 = 2,127.01 : x
  2. Step 2: Convert to fraction form
    6,808.09/10,211.16 = 2,127.01/x
  3. Step 3: Cross multiply
    6,808.09x = 10,211.16 × 2,127.01
  4. Step 4: Simplify right side
    6,808.09x = 21,719,239.43
  5. Step 5: Solve for x
    x = 21,719,239.43/6,808.09
  6. Step 6: Final answer
    x = 3,190.21

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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.