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Finding the Fourth Proportional to 8,934.80, 13,403.40 and 3,093.20

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Solution

The fourth proportional to 8,934.80, 13,403.40 and 3,093.20 is: 4,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.80 : 13,403.40 = 3,093.20 : x
  2. Step 2: Convert to fraction form
    8,934.80/13,403.40 = 3,093.20/x
  3. Step 3: Cross multiply
    8,934.80x = 13,403.40 × 3,093.20
  4. Step 4: Simplify right side
    8,934.80x = 41,459,396.88
  5. Step 5: Solve for x
    x = 41,459,396.88/8,934.80
  6. Step 6: Final answer
    x = 4,640.22

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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.