Home / 5,911.80-8,161.20-4,033.14

Finding the Fourth Proportional to 5,911.80, 8,161.20 and 4,033.14

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Solution

The fourth proportional to 5,911.80, 8,161.20 and 4,033.14 is: 5,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.80 : 8,161.20 = 4,033.14 : x
  2. Step 2: Convert to fraction form
    5,911.80/8,161.20 = 4,033.14/x
  3. Step 3: Cross multiply
    5,911.80x = 8,161.20 × 4,033.14
  4. Step 4: Simplify right side
    5,911.80x = 32,915,262.17
  5. Step 5: Solve for x
    x = 32,915,262.17/5,911.80
  6. Step 6: Final answer
    x = 5,567.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.