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Finding the Fourth Proportional to 8,466.57, 12,699.93 and 2,310.57

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Solution

The fourth proportional to 8,466.57, 12,699.93 and 2,310.57 is: 3,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.57 : 12,699.93 = 2,310.57 : x
  2. Step 2: Convert to fraction form
    8,466.57/12,699.93 = 2,310.57/x
  3. Step 3: Cross multiply
    8,466.57x = 12,699.93 × 2,310.57
  4. Step 4: Simplify right side
    8,466.57x = 29,344,077.26
  5. Step 5: Solve for x
    x = 29,344,077.26/8,466.57
  6. Step 6: Final answer
    x = 3,465.88

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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.