Home / 5,451.76-7,523.31-3,183.49

Finding the Fourth Proportional to 5,451.76, 7,523.31 and 3,183.49

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Solution

The fourth proportional to 5,451.76, 7,523.31 and 3,183.49 is: 4,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.76 : 7,523.31 = 3,183.49 : x
  2. Step 2: Convert to fraction form
    5,451.76/7,523.31 = 3,183.49/x
  3. Step 3: Cross multiply
    5,451.76x = 7,523.31 × 3,183.49
  4. Step 4: Simplify right side
    5,451.76x = 23,950,382.15
  5. Step 5: Solve for x
    x = 23,950,382.15/5,451.76
  6. Step 6: Final answer
    x = 4,393.15

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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.