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Finding the Fourth Proportional to 6,479.48, 8,942.50 and 3,684.44

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Solution

The fourth proportional to 6,479.48, 8,942.50 and 3,684.44 is: 5,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.48 : 8,942.50 = 3,684.44 : x
  2. Step 2: Convert to fraction form
    6,479.48/8,942.50 = 3,684.44/x
  3. Step 3: Cross multiply
    6,479.48x = 8,942.50 × 3,684.44
  4. Step 4: Simplify right side
    6,479.48x = 32,948,104.70
  5. Step 5: Solve for x
    x = 32,948,104.70/6,479.48
  6. Step 6: Final answer
    x = 5,084.99

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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.