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Finding the Fourth Proportional to 8,608.24, 12,913.98 and 2,763.28

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Solution

The fourth proportional to 8,608.24, 12,913.98 and 2,763.28 is: 4,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.24 : 12,913.98 = 2,763.28 : x
  2. Step 2: Convert to fraction form
    8,608.24/12,913.98 = 2,763.28/x
  3. Step 3: Cross multiply
    8,608.24x = 12,913.98 × 2,763.28
  4. Step 4: Simplify right side
    8,608.24x = 35,684,942.65
  5. Step 5: Solve for x
    x = 35,684,942.65/8,608.24
  6. Step 6: Final answer
    x = 4,145.44

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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.