Home / 4,220.82-6,331.23-2,769.15

Finding the Fourth Proportional to 4,220.82, 6,331.23 and 2,769.15

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Solution

The fourth proportional to 4,220.82, 6,331.23 and 2,769.15 is: 4,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.82 : 6,331.23 = 2,769.15 : x
  2. Step 2: Convert to fraction form
    4,220.82/6,331.23 = 2,769.15/x
  3. Step 3: Cross multiply
    4,220.82x = 6,331.23 × 2,769.15
  4. Step 4: Simplify right side
    4,220.82x = 17,532,125.55
  5. Step 5: Solve for x
    x = 17,532,125.55/4,220.82
  6. Step 6: Final answer
    x = 4,153.73

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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.