Home / 5,451.30-8,174.19-2,531.64

Finding the Fourth Proportional to 5,451.30, 8,174.19 and 2,531.64

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Solution

The fourth proportional to 5,451.30, 8,174.19 and 2,531.64 is: 3,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.30 : 8,174.19 = 2,531.64 : x
  2. Step 2: Convert to fraction form
    5,451.30/8,174.19 = 2,531.64/x
  3. Step 3: Cross multiply
    5,451.30x = 8,174.19 × 2,531.64
  4. Step 4: Simplify right side
    5,451.30x = 20,694,106.37
  5. Step 5: Solve for x
    x = 20,694,106.37/5,451.30
  6. Step 6: Final answer
    x = 3,796.18

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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.