Home / 5,451.21-8,161.42-3,471.94

Finding the Fourth Proportional to 5,451.21, 8,161.42 and 3,471.94

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Solution

The fourth proportional to 5,451.21, 8,161.42 and 3,471.94 is: 5,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.21 : 8,161.42 = 3,471.94 : x
  2. Step 2: Convert to fraction form
    5,451.21/8,161.42 = 3,471.94/x
  3. Step 3: Cross multiply
    5,451.21x = 8,161.42 × 3,471.94
  4. Step 4: Simplify right side
    5,451.21x = 28,335,950.52
  5. Step 5: Solve for x
    x = 28,335,950.52/5,451.21
  6. Step 6: Final answer
    x = 5,198.10

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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.