Home / 4,353.78-6,531.22-2,161.92

Finding the Fourth Proportional to 4,353.78, 6,531.22 and 2,161.92

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Solution

The fourth proportional to 4,353.78, 6,531.22 and 2,161.92 is: 3,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.78 : 6,531.22 = 2,161.92 : x
  2. Step 2: Convert to fraction form
    4,353.78/6,531.22 = 2,161.92/x
  3. Step 3: Cross multiply
    4,353.78x = 6,531.22 × 2,161.92
  4. Step 4: Simplify right side
    4,353.78x = 14,119,975.14
  5. Step 5: Solve for x
    x = 14,119,975.14/4,353.78
  6. Step 6: Final answer
    x = 3,243.15

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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.