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Finding the Fourth Proportional to 6,808.80, 10,203.60 and 2,700

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Solution

The fourth proportional to 6,808.80, 10,203.60 and 2,700 is: 4,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.80 : 10,203.60 = 2,700 : x
  2. Step 2: Convert to fraction form
    6,808.80/10,203.60 = 2,700/x
  3. Step 3: Cross multiply
    6,808.80x = 10,203.60 × 2,700
  4. Step 4: Simplify right side
    6,808.80x = 27,549,720
  5. Step 5: Solve for x
    x = 27,549,720/6,808.80
  6. Step 6: Final answer
    x = 4,046.19

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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.