Home / 6,161.72-8,503.20-3,367.28

Finding the Fourth Proportional to 6,161.72, 8,503.20 and 3,367.28

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Solution

The fourth proportional to 6,161.72, 8,503.20 and 3,367.28 is: 4,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.72 : 8,503.20 = 3,367.28 : x
  2. Step 2: Convert to fraction form
    6,161.72/8,503.20 = 3,367.28/x
  3. Step 3: Cross multiply
    6,161.72x = 8,503.20 × 3,367.28
  4. Step 4: Simplify right side
    6,161.72x = 28,632,655.30
  5. Step 5: Solve for x
    x = 28,632,655.30/6,161.72
  6. Step 6: Final answer
    x = 4,646.86

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1.5x scale

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.