Home / 4,339.72-5,986.02-2,571.40

Finding the Fourth Proportional to 4,339.72, 5,986.02 and 2,571.40

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Solution

The fourth proportional to 4,339.72, 5,986.02 and 2,571.40 is: 3,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.72 : 5,986.02 = 2,571.40 : x
  2. Step 2: Convert to fraction form
    4,339.72/5,986.02 = 2,571.40/x
  3. Step 3: Cross multiply
    4,339.72x = 5,986.02 × 2,571.40
  4. Step 4: Simplify right side
    4,339.72x = 15,392,451.83
  5. Step 5: Solve for x
    x = 15,392,451.83/4,339.72
  6. Step 6: Final answer
    x = 3,546.88

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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.