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Finding the Fourth Proportional to 8,605.27, 12,910.35 and 2,762.35

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Solution

The fourth proportional to 8,605.27, 12,910.35 and 2,762.35 is: 4,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.27 : 12,910.35 = 2,762.35 : x
  2. Step 2: Convert to fraction form
    8,605.27/12,910.35 = 2,762.35/x
  3. Step 3: Cross multiply
    8,605.27x = 12,910.35 × 2,762.35
  4. Step 4: Simplify right side
    8,605.27x = 35,662,905.32
  5. Step 5: Solve for x
    x = 35,662,905.32/8,605.27
  6. Step 6: Final answer
    x = 4,144.31

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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.