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Finding the Fourth Proportional to 8,550.80, 12,827.54 and 3,620.46

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Solution

The fourth proportional to 8,550.80, 12,827.54 and 3,620.46 is: 5,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.80 : 12,827.54 = 3,620.46 : x
  2. Step 2: Convert to fraction form
    8,550.80/12,827.54 = 3,620.46/x
  3. Step 3: Cross multiply
    8,550.80x = 12,827.54 × 3,620.46
  4. Step 4: Simplify right side
    8,550.80x = 46,441,577.37
  5. Step 5: Solve for x
    x = 46,441,577.37/8,550.80
  6. Step 6: Final answer
    x = 5,431.26

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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.