Home / 4,220.73-6,331.32-1,100.73

Finding the Fourth Proportional to 4,220.73, 6,331.32 and 1,100.73

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Solution

The fourth proportional to 4,220.73, 6,331.32 and 1,100.73 is: 1,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.73 : 6,331.32 = 1,100.73 : x
  2. Step 2: Convert to fraction form
    4,220.73/6,331.32 = 1,100.73/x
  3. Step 3: Cross multiply
    4,220.73x = 6,331.32 × 1,100.73
  4. Step 4: Simplify right side
    4,220.73x = 6,969,073.86
  5. Step 5: Solve for x
    x = 6,969,073.86/4,220.73
  6. Step 6: Final answer
    x = 1,651.15

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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.