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Finding the Fourth Proportional to 8,310, 12,466.16 and 2,763.96

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Solution

The fourth proportional to 8,310, 12,466.16 and 2,763.96 is: 4,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310 : 12,466.16 = 2,763.96 : x
  2. Step 2: Convert to fraction form
    8,310/12,466.16 = 2,763.96/x
  3. Step 3: Cross multiply
    8,310x = 12,466.16 × 2,763.96
  4. Step 4: Simplify right side
    8,310x = 34,455,967.59
  5. Step 5: Solve for x
    x = 34,455,967.59/8,310
  6. Step 6: Final answer
    x = 4,146.33

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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.