Home / 5,540.12-8,311.53-1,644.53

Finding the Fourth Proportional to 5,540.12, 8,311.53 and 1,644.53

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Solution

The fourth proportional to 5,540.12, 8,311.53 and 1,644.53 is: 2,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.12 : 8,311.53 = 1,644.53 : x
  2. Step 2: Convert to fraction form
    5,540.12/8,311.53 = 1,644.53/x
  3. Step 3: Cross multiply
    5,540.12x = 8,311.53 × 1,644.53
  4. Step 4: Simplify right side
    5,540.12x = 13,668,518.87
  5. Step 5: Solve for x
    x = 13,668,518.87/5,540.12
  6. Step 6: Final answer
    x = 2,467.19

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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.