Home / 4,324.41-6,486.84-2,105.28

Finding the Fourth Proportional to 4,324.41, 6,486.84 and 2,105.28

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Solution

The fourth proportional to 4,324.41, 6,486.84 and 2,105.28 is: 3,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.41 : 6,486.84 = 2,105.28 : x
  2. Step 2: Convert to fraction form
    4,324.41/6,486.84 = 2,105.28/x
  3. Step 3: Cross multiply
    4,324.41x = 6,486.84 × 2,105.28
  4. Step 4: Simplify right side
    4,324.41x = 13,656,614.52
  5. Step 5: Solve for x
    x = 13,656,614.52/4,324.41
  6. Step 6: Final answer
    x = 3,158.03

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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.