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Finding the Fourth Proportional to 6,757.01, 10,126.80 and 2,803.80

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Solution

The fourth proportional to 6,757.01, 10,126.80 and 2,803.80 is: 4,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.01 : 10,126.80 = 2,803.80 : x
  2. Step 2: Convert to fraction form
    6,757.01/10,126.80 = 2,803.80/x
  3. Step 3: Cross multiply
    6,757.01x = 10,126.80 × 2,803.80
  4. Step 4: Simplify right side
    6,757.01x = 28,393,521.84
  5. Step 5: Solve for x
    x = 28,393,521.84/6,757.01
  6. Step 6: Final answer
    x = 4,202.08

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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.