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Finding the Fourth Proportional to 8,808, 13,215.32 and 5,693.96

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Solution

The fourth proportional to 8,808, 13,215.32 and 5,693.96 is: 8,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808 : 13,215.32 = 5,693.96 : x
  2. Step 2: Convert to fraction form
    8,808/13,215.32 = 5,693.96/x
  3. Step 3: Cross multiply
    8,808x = 13,215.32 × 5,693.96
  4. Step 4: Simplify right side
    8,808x = 75,247,503.47
  5. Step 5: Solve for x
    x = 75,247,503.47/8,808
  6. Step 6: Final answer
    x = 8,543.09

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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.