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Finding the Fourth Proportional to 6,759.01, 10,129.80 and 2,805.80

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Solution

The fourth proportional to 6,759.01, 10,129.80 and 2,805.80 is: 4,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.01 : 10,129.80 = 2,805.80 : x
  2. Step 2: Convert to fraction form
    6,759.01/10,129.80 = 2,805.80/x
  3. Step 3: Cross multiply
    6,759.01x = 10,129.80 × 2,805.80
  4. Step 4: Simplify right side
    6,759.01x = 28,422,192.84
  5. Step 5: Solve for x
    x = 28,422,192.84/6,759.01
  6. Step 6: Final answer
    x = 4,205.08

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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.