Home / 4,614.20-6,367.60-3,290.21

Finding the Fourth Proportional to 4,614.20, 6,367.60 and 3,290.21

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Solution

The fourth proportional to 4,614.20, 6,367.60 and 3,290.21 is: 4,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.20 : 6,367.60 = 3,290.21 : x
  2. Step 2: Convert to fraction form
    4,614.20/6,367.60 = 3,290.21/x
  3. Step 3: Cross multiply
    4,614.20x = 6,367.60 × 3,290.21
  4. Step 4: Simplify right side
    4,614.20x = 20,950,741.20
  5. Step 5: Solve for x
    x = 20,950,741.20/4,614.20
  6. Step 6: Final answer
    x = 4,540.49

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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.