Home / 4,272.33-6,392.70-3,647.82

Finding the Fourth Proportional to 4,272.33, 6,392.70 and 3,647.82

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Solution

The fourth proportional to 4,272.33, 6,392.70 and 3,647.82 is: 5,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.33 : 6,392.70 = 3,647.82 : x
  2. Step 2: Convert to fraction form
    4,272.33/6,392.70 = 3,647.82/x
  3. Step 3: Cross multiply
    4,272.33x = 6,392.70 × 3,647.82
  4. Step 4: Simplify right side
    4,272.33x = 23,319,418.91
  5. Step 5: Solve for x
    x = 23,319,418.91/4,272.33
  6. Step 6: Final answer
    x = 5,458.24

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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.