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Finding the Fourth Proportional to 5,922.12, 8,881.94 and 2,800.80

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Solution

The fourth proportional to 5,922.12, 8,881.94 and 2,800.80 is: 4,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.12 : 8,881.94 = 2,800.80 : x
  2. Step 2: Convert to fraction form
    5,922.12/8,881.94 = 2,800.80/x
  3. Step 3: Cross multiply
    5,922.12x = 8,881.94 × 2,800.80
  4. Step 4: Simplify right side
    5,922.12x = 24,876,537.55
  5. Step 5: Solve for x
    x = 24,876,537.55/5,922.12
  6. Step 6: Final answer
    x = 4,200.61

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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.