Home / 4,220.70-6,331.05-1,757.22

Finding the Fourth Proportional to 4,220.70, 6,331.05 and 1,757.22

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Solution

The fourth proportional to 4,220.70, 6,331.05 and 1,757.22 is: 2,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.70 : 6,331.05 = 1,757.22 : x
  2. Step 2: Convert to fraction form
    4,220.70/6,331.05 = 1,757.22/x
  3. Step 3: Cross multiply
    4,220.70x = 6,331.05 × 1,757.22
  4. Step 4: Simplify right side
    4,220.70x = 11,125,047.68
  5. Step 5: Solve for x
    x = 11,125,047.68/4,220.70
  6. Step 6: Final answer
    x = 2,635.83

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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.