Home / 6,625.89-9,141.73-3,972.33

Finding the Fourth Proportional to 6,625.89, 9,141.73 and 3,972.33

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Solution

The fourth proportional to 6,625.89, 9,141.73 and 3,972.33 is: 5,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.89 : 9,141.73 = 3,972.33 : x
  2. Step 2: Convert to fraction form
    6,625.89/9,141.73 = 3,972.33/x
  3. Step 3: Cross multiply
    6,625.89x = 9,141.73 × 3,972.33
  4. Step 4: Simplify right side
    6,625.89x = 36,313,968.33
  5. Step 5: Solve for x
    x = 36,313,968.33/6,625.89
  6. Step 6: Final answer
    x = 5,480.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.