Home / 4,161.20-6,241.80-4,135.60

Finding the Fourth Proportional to 4,161.20, 6,241.80 and 4,135.60

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Solution

The fourth proportional to 4,161.20, 6,241.80 and 4,135.60 is: 6,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.20 : 6,241.80 = 4,135.60 : x
  2. Step 2: Convert to fraction form
    4,161.20/6,241.80 = 4,135.60/x
  3. Step 3: Cross multiply
    4,161.20x = 6,241.80 × 4,135.60
  4. Step 4: Simplify right side
    4,161.20x = 25,813,588.08
  5. Step 5: Solve for x
    x = 25,813,588.08/4,161.20
  6. Step 6: Final answer
    x = 6,203.40

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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.