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Finding the Fourth Proportional to 8,850.80, 13,276.80 and 3,007.85

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Solution

The fourth proportional to 8,850.80, 13,276.80 and 3,007.85 is: 4,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.80 : 13,276.80 = 3,007.85 : x
  2. Step 2: Convert to fraction form
    8,850.80/13,276.80 = 3,007.85/x
  3. Step 3: Cross multiply
    8,850.80x = 13,276.80 × 3,007.85
  4. Step 4: Simplify right side
    8,850.80x = 39,934,622.88
  5. Step 5: Solve for x
    x = 39,934,622.88/8,850.80
  6. Step 6: Final answer
    x = 4,511.98

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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.