Home / 4,108.39-6,161.90-1,147.03

Finding the Fourth Proportional to 4,108.39, 6,161.90 and 1,147.03

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Solution

The fourth proportional to 4,108.39, 6,161.90 and 1,147.03 is: 1,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.39 : 6,161.90 = 1,147.03 : x
  2. Step 2: Convert to fraction form
    4,108.39/6,161.90 = 1,147.03/x
  3. Step 3: Cross multiply
    4,108.39x = 6,161.90 × 1,147.03
  4. Step 4: Simplify right side
    4,108.39x = 7,067,847.61
  5. Step 5: Solve for x
    x = 7,067,847.61/4,108.39
  6. Step 6: Final answer
    x = 1,720.35

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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.