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Finding the Fourth Proportional to 8,467.33, 12,696.73 and 4,958.40

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Solution

The fourth proportional to 8,467.33, 12,696.73 and 4,958.40 is: 7,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.33 : 12,696.73 = 4,958.40 : x
  2. Step 2: Convert to fraction form
    8,467.33/12,696.73 = 4,958.40/x
  3. Step 3: Cross multiply
    8,467.33x = 12,696.73 × 4,958.40
  4. Step 4: Simplify right side
    8,467.33x = 62,955,466.03
  5. Step 5: Solve for x
    x = 62,955,466.03/8,467.33
  6. Step 6: Final answer
    x = 7,435.10

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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.