Home / 5,550.22-8,318.10-4,961.80

Finding the Fourth Proportional to 5,550.22, 8,318.10 and 4,961.80

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Solution

The fourth proportional to 5,550.22, 8,318.10 and 4,961.80 is: 7,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.22 : 8,318.10 = 4,961.80 : x
  2. Step 2: Convert to fraction form
    5,550.22/8,318.10 = 4,961.80/x
  3. Step 3: Cross multiply
    5,550.22x = 8,318.10 × 4,961.80
  4. Step 4: Simplify right side
    5,550.22x = 41,272,748.58
  5. Step 5: Solve for x
    x = 41,272,748.58/5,550.22
  6. Step 6: Final answer
    x = 7,436.24

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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.