Home / 4,343.88-6,513.78-2,151.75

Finding the Fourth Proportional to 4,343.88, 6,513.78 and 2,151.75

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Solution

The fourth proportional to 4,343.88, 6,513.78 and 2,151.75 is: 3,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.88 : 6,513.78 = 2,151.75 : x
  2. Step 2: Convert to fraction form
    4,343.88/6,513.78 = 2,151.75/x
  3. Step 3: Cross multiply
    4,343.88x = 6,513.78 × 2,151.75
  4. Step 4: Simplify right side
    4,343.88x = 14,016,026.12
  5. Step 5: Solve for x
    x = 14,016,026.12/4,343.88
  6. Step 6: Final answer
    x = 3,226.61

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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.