Home / 5,540.36-8,310.96-1,644.75

Finding the Fourth Proportional to 5,540.36, 8,310.96 and 1,644.75

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Solution

The fourth proportional to 5,540.36, 8,310.96 and 1,644.75 is: 2,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.36 : 8,310.96 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    5,540.36/8,310.96 = 1,644.75/x
  3. Step 3: Cross multiply
    5,540.36x = 8,310.96 × 1,644.75
  4. Step 4: Simplify right side
    5,540.36x = 13,669,451.46
  5. Step 5: Solve for x
    x = 13,669,451.46/5,540.36
  6. Step 6: Final answer
    x = 2,467.25

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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.