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Finding the Fourth Proportional to 8,694.49, 13,041.74 and 4,076.41

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Solution

The fourth proportional to 8,694.49, 13,041.74 and 4,076.41 is: 6,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.49 : 13,041.74 = 4,076.41 : x
  2. Step 2: Convert to fraction form
    8,694.49/13,041.74 = 4,076.41/x
  3. Step 3: Cross multiply
    8,694.49x = 13,041.74 × 4,076.41
  4. Step 4: Simplify right side
    8,694.49x = 53,163,479.35
  5. Step 5: Solve for x
    x = 53,163,479.35/8,694.49
  6. Step 6: Final answer
    x = 6,114.62

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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.