Home / 4,128.88-6,195.89-2,571.94

Finding the Fourth Proportional to 4,128.88, 6,195.89 and 2,571.94

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Solution

The fourth proportional to 4,128.88, 6,195.89 and 2,571.94 is: 3,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.88 : 6,195.89 = 2,571.94 : x
  2. Step 2: Convert to fraction form
    4,128.88/6,195.89 = 2,571.94/x
  3. Step 3: Cross multiply
    4,128.88x = 6,195.89 × 2,571.94
  4. Step 4: Simplify right side
    4,128.88x = 15,935,457.33
  5. Step 5: Solve for x
    x = 15,935,457.33/4,128.88
  6. Step 6: Final answer
    x = 3,859.51

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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.