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Finding the Fourth Proportional to 8,550.80, 11,800.62 and 4,773.95

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Solution

The fourth proportional to 8,550.80, 11,800.62 and 4,773.95 is: 6,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.80 : 11,800.62 = 4,773.95 : x
  2. Step 2: Convert to fraction form
    8,550.80/11,800.62 = 4,773.95/x
  3. Step 3: Cross multiply
    8,550.80x = 11,800.62 × 4,773.95
  4. Step 4: Simplify right side
    8,550.80x = 56,335,569.85
  5. Step 5: Solve for x
    x = 56,335,569.85/8,550.80
  6. Step 6: Final answer
    x = 6,588.34

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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.