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Finding the Fourth Proportional to 6,757.53, 10,129.11 and 3,985.50

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Solution

The fourth proportional to 6,757.53, 10,129.11 and 3,985.50 is: 5,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.53 : 10,129.11 = 3,985.50 : x
  2. Step 2: Convert to fraction form
    6,757.53/10,129.11 = 3,985.50/x
  3. Step 3: Cross multiply
    6,757.53x = 10,129.11 × 3,985.50
  4. Step 4: Simplify right side
    6,757.53x = 40,369,618.97
  5. Step 5: Solve for x
    x = 40,369,618.97/6,757.53
  6. Step 6: Final answer
    x = 5,974.02

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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.