Home / 4,287.32-6,422.66-2,822.06

Finding the Fourth Proportional to 4,287.32, 6,422.66 and 2,822.06

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Solution

The fourth proportional to 4,287.32, 6,422.66 and 2,822.06 is: 4,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.32 : 6,422.66 = 2,822.06 : x
  2. Step 2: Convert to fraction form
    4,287.32/6,422.66 = 2,822.06/x
  3. Step 3: Cross multiply
    4,287.32x = 6,422.66 × 2,822.06
  4. Step 4: Simplify right side
    4,287.32x = 18,125,131.88
  5. Step 5: Solve for x
    x = 18,125,131.88/4,287.32
  6. Step 6: Final answer
    x = 4,227.61

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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.