Home / 6,161.20-9,241.80-2,705.20

Finding the Fourth Proportional to 6,161.20, 9,241.80 and 2,705.20

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Solution

The fourth proportional to 6,161.20, 9,241.80 and 2,705.20 is: 4,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.20 : 9,241.80 = 2,705.20 : x
  2. Step 2: Convert to fraction form
    6,161.20/9,241.80 = 2,705.20/x
  3. Step 3: Cross multiply
    6,161.20x = 9,241.80 × 2,705.20
  4. Step 4: Simplify right side
    6,161.20x = 25,000,917.36
  5. Step 5: Solve for x
    x = 25,000,917.36/6,161.20
  6. Step 6: Final answer
    x = 4,057.80

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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.