Home / 4,273.43-6,398.34-2,188.95

Finding the Fourth Proportional to 4,273.43, 6,398.34 and 2,188.95

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Solution

The fourth proportional to 4,273.43, 6,398.34 and 2,188.95 is: 3,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.43 : 6,398.34 = 2,188.95 : x
  2. Step 2: Convert to fraction form
    4,273.43/6,398.34 = 2,188.95/x
  3. Step 3: Cross multiply
    4,273.43x = 6,398.34 × 2,188.95
  4. Step 4: Simplify right side
    4,273.43x = 14,005,644.45
  5. Step 5: Solve for x
    x = 14,005,644.45/4,273.43
  6. Step 6: Final answer
    x = 3,277.38

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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.