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Finding the Fourth Proportional to 8,604.96, 12,907.41 and 4,855.04

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Solution

The fourth proportional to 8,604.96, 12,907.41 and 4,855.04 is: 7,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.96 : 12,907.41 = 4,855.04 : x
  2. Step 2: Convert to fraction form
    8,604.96/12,907.41 = 4,855.04/x
  3. Step 3: Cross multiply
    8,604.96x = 12,907.41 × 4,855.04
  4. Step 4: Simplify right side
    8,604.96x = 62,665,991.85
  5. Step 5: Solve for x
    x = 62,665,991.85/8,604.96
  6. Step 6: Final answer
    x = 7,282.54

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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.