Home / 5,619.72-7,753.90-3,261.44

Finding the Fourth Proportional to 5,619.72, 7,753.90 and 3,261.44

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Solution

The fourth proportional to 5,619.72, 7,753.90 and 3,261.44 is: 4,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.72 : 7,753.90 = 3,261.44 : x
  2. Step 2: Convert to fraction form
    5,619.72/7,753.90 = 3,261.44/x
  3. Step 3: Cross multiply
    5,619.72x = 7,753.90 × 3,261.44
  4. Step 4: Simplify right side
    5,619.72x = 25,288,879.62
  5. Step 5: Solve for x
    x = 25,288,879.62/5,619.72
  6. Step 6: Final answer
    x = 4,500.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.