Home / 5,712.91-8,571.13-2,713.28

Finding the Fourth Proportional to 5,712.91, 8,571.13 and 2,713.28

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Solution

The fourth proportional to 5,712.91, 8,571.13 and 2,713.28 is: 4,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.91 : 8,571.13 = 2,713.28 : x
  2. Step 2: Convert to fraction form
    5,712.91/8,571.13 = 2,713.28/x
  3. Step 3: Cross multiply
    5,712.91x = 8,571.13 × 2,713.28
  4. Step 4: Simplify right side
    5,712.91x = 23,255,825.97
  5. Step 5: Solve for x
    x = 23,255,825.97/5,712.91
  6. Step 6: Final answer
    x = 4,070.75

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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.