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Finding the Fourth Proportional to 6,687.54, 10,028.88 and 3,403.53

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Solution

The fourth proportional to 6,687.54, 10,028.88 and 3,403.53 is: 5,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.54 : 10,028.88 = 3,403.53 : x
  2. Step 2: Convert to fraction form
    6,687.54/10,028.88 = 3,403.53/x
  3. Step 3: Cross multiply
    6,687.54x = 10,028.88 × 3,403.53
  4. Step 4: Simplify right side
    6,687.54x = 34,133,593.95
  5. Step 5: Solve for x
    x = 34,133,593.95/6,687.54
  6. Step 6: Final answer
    x = 5,104.06

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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.