Home / 4,380.29-6,571.35-1,418.97

Finding the Fourth Proportional to 4,380.29, 6,571.35 and 1,418.97

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Solution

The fourth proportional to 4,380.29, 6,571.35 and 1,418.97 is: 2,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.29 : 6,571.35 = 1,418.97 : x
  2. Step 2: Convert to fraction form
    4,380.29/6,571.35 = 1,418.97/x
  3. Step 3: Cross multiply
    4,380.29x = 6,571.35 × 1,418.97
  4. Step 4: Simplify right side
    4,380.29x = 9,324,548.51
  5. Step 5: Solve for x
    x = 9,324,548.51/4,380.29
  6. Step 6: Final answer
    x = 2,128.75

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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.