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Finding the Fourth Proportional to 8,664.39, 13,000.73 and 4,503.63

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Solution

The fourth proportional to 8,664.39, 13,000.73 and 4,503.63 is: 6,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.39 : 13,000.73 = 4,503.63 : x
  2. Step 2: Convert to fraction form
    8,664.39/13,000.73 = 4,503.63/x
  3. Step 3: Cross multiply
    8,664.39x = 13,000.73 × 4,503.63
  4. Step 4: Simplify right side
    8,664.39x = 58,550,455.13
  5. Step 5: Solve for x
    x = 58,550,455.13/8,664.39
  6. Step 6: Final answer
    x = 6,757.60

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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.