Home / 5,540.24-8,311.73-1,644.65

Finding the Fourth Proportional to 5,540.24, 8,311.73 and 1,644.65

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Solution

The fourth proportional to 5,540.24, 8,311.73 and 1,644.65 is: 2,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.24 : 8,311.73 = 1,644.65 : x
  2. Step 2: Convert to fraction form
    5,540.24/8,311.73 = 1,644.65/x
  3. Step 3: Cross multiply
    5,540.24x = 8,311.73 × 1,644.65
  4. Step 4: Simplify right side
    5,540.24x = 13,669,886.74
  5. Step 5: Solve for x
    x = 13,669,886.74/5,540.24
  6. Step 6: Final answer
    x = 2,467.38

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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.