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Finding the Fourth Proportional to 6,808.00, 10,212.01 and 2,128.03

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Solution

The fourth proportional to 6,808.00, 10,212.01 and 2,128.03 is: 3,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.00 : 10,212.01 = 2,128.03 : x
  2. Step 2: Convert to fraction form
    6,808.00/10,212.01 = 2,128.03/x
  3. Step 3: Cross multiply
    6,808.00x = 10,212.01 × 2,128.03
  4. Step 4: Simplify right side
    6,808.00x = 21,731,478.53
  5. Step 5: Solve for x
    x = 21,731,478.53/6,808.00
  6. Step 6: Final answer
    x = 3,192.05

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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.