Home / 5,618.86-7,753.76-3,227.15

Finding the Fourth Proportional to 5,618.86, 7,753.76 and 3,227.15

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Solution

The fourth proportional to 5,618.86, 7,753.76 and 3,227.15 is: 4,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.86 : 7,753.76 = 3,227.15 : x
  2. Step 2: Convert to fraction form
    5,618.86/7,753.76 = 3,227.15/x
  3. Step 3: Cross multiply
    5,618.86x = 7,753.76 × 3,227.15
  4. Step 4: Simplify right side
    5,618.86x = 25,022,524.37
  5. Step 5: Solve for x
    x = 25,022,524.37/5,618.86
  6. Step 6: Final answer
    x = 4,453.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.