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Finding the Fourth Proportional to 4,241.30, 6,349.80 and 4,119.80

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Solution

The fourth proportional to 4,241.30, 6,349.80 and 4,119.80 is: 6,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.30 : 6,349.80 = 4,119.80 : x
  2. Step 2: Convert to fraction form
    4,241.30/6,349.80 = 4,119.80/x
  3. Step 3: Cross multiply
    4,241.30x = 6,349.80 × 4,119.80
  4. Step 4: Simplify right side
    4,241.30x = 26,159,906.04
  5. Step 5: Solve for x
    x = 26,159,906.04/4,241.30
  6. Step 6: Final answer
    x = 6,167.90

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1.5x scale

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.