Home / 6,625.89-9,940.05-2,728.17

Finding the Fourth Proportional to 6,625.89, 9,940.05 and 2,728.17

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Solution

The fourth proportional to 6,625.89, 9,940.05 and 2,728.17 is: 4,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.89 : 9,940.05 = 2,728.17 : x
  2. Step 2: Convert to fraction form
    6,625.89/9,940.05 = 2,728.17/x
  3. Step 3: Cross multiply
    6,625.89x = 9,940.05 × 2,728.17
  4. Step 4: Simplify right side
    6,625.89x = 27,118,146.21
  5. Step 5: Solve for x
    x = 27,118,146.21/6,625.89
  6. Step 6: Final answer
    x = 4,092.76

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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.