Home / 4,143.98-6,216.28-1,372.61

Finding the Fourth Proportional to 4,143.98, 6,216.28 and 1,372.61

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Solution

The fourth proportional to 4,143.98, 6,216.28 and 1,372.61 is: 2,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.98 : 6,216.28 = 1,372.61 : x
  2. Step 2: Convert to fraction form
    4,143.98/6,216.28 = 1,372.61/x
  3. Step 3: Cross multiply
    4,143.98x = 6,216.28 × 1,372.61
  4. Step 4: Simplify right side
    4,143.98x = 8,532,540.20
  5. Step 5: Solve for x
    x = 8,532,540.20/4,143.98
  6. Step 6: Final answer
    x = 2,059.02

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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.