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Finding the Fourth Proportional to 8,770.69, 13,154.62 and 3,222.66

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Solution

The fourth proportional to 8,770.69, 13,154.62 and 3,222.66 is: 4,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.69 : 13,154.62 = 3,222.66 : x
  2. Step 2: Convert to fraction form
    8,770.69/13,154.62 = 3,222.66/x
  3. Step 3: Cross multiply
    8,770.69x = 13,154.62 × 3,222.66
  4. Step 4: Simplify right side
    8,770.69x = 42,392,867.69
  5. Step 5: Solve for x
    x = 42,392,867.69/8,770.69
  6. Step 6: Final answer
    x = 4,833.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.