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Finding the Fourth Proportional to 8,394.55, 12,567.52 and 6,323.29

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Solution

The fourth proportional to 8,394.55, 12,567.52 and 6,323.29 is: 9,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.55 : 12,567.52 = 6,323.29 : x
  2. Step 2: Convert to fraction form
    8,394.55/12,567.52 = 6,323.29/x
  3. Step 3: Cross multiply
    8,394.55x = 12,567.52 × 6,323.29
  4. Step 4: Simplify right side
    8,394.55x = 79,468,073.54
  5. Step 5: Solve for x
    x = 79,468,073.54/8,394.55
  6. Step 6: Final answer
    x = 9,466.63

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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.