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Finding the Fourth Proportional to 8,808.38, 13,213.19 and 3,543.41

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Solution

The fourth proportional to 8,808.38, 13,213.19 and 3,543.41 is: 5,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.38 : 13,213.19 = 3,543.41 : x
  2. Step 2: Convert to fraction form
    8,808.38/13,213.19 = 3,543.41/x
  3. Step 3: Cross multiply
    8,808.38x = 13,213.19 × 3,543.41
  4. Step 4: Simplify right side
    8,808.38x = 46,819,764.89
  5. Step 5: Solve for x
    x = 46,819,764.89/8,808.38
  6. Step 6: Final answer
    x = 5,315.37

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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.