Home / 6,381.09-9,571.54-2,221.17

Finding the Fourth Proportional to 6,381.09, 9,571.54 and 2,221.17

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Solution

The fourth proportional to 6,381.09, 9,571.54 and 2,221.17 is: 3,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.09 : 9,571.54 = 2,221.17 : x
  2. Step 2: Convert to fraction form
    6,381.09/9,571.54 = 2,221.17/x
  3. Step 3: Cross multiply
    6,381.09x = 9,571.54 × 2,221.17
  4. Step 4: Simplify right side
    6,381.09x = 21,260,040.31
  5. Step 5: Solve for x
    x = 21,260,040.31/6,381.09
  6. Step 6: Final answer
    x = 3,331.73

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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.