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Finding the Fourth Proportional to 4,236.66, 6,355.17 and 1,639.98

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Solution

The fourth proportional to 4,236.66, 6,355.17 and 1,639.98 is: 2,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.66 : 6,355.17 = 1,639.98 : x
  2. Step 2: Convert to fraction form
    4,236.66/6,355.17 = 1,639.98/x
  3. Step 3: Cross multiply
    4,236.66x = 6,355.17 × 1,639.98
  4. Step 4: Simplify right side
    4,236.66x = 10,422,351.70
  5. Step 5: Solve for x
    x = 10,422,351.70/4,236.66
  6. Step 6: Final answer
    x = 2,460.04

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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.