Home / 4,411.21-6,611.48-1,636.96

Finding the Fourth Proportional to 4,411.21, 6,611.48 and 1,636.96

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Solution

The fourth proportional to 4,411.21, 6,611.48 and 1,636.96 is: 2,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.21 : 6,611.48 = 1,636.96 : x
  2. Step 2: Convert to fraction form
    4,411.21/6,611.48 = 1,636.96/x
  3. Step 3: Cross multiply
    4,411.21x = 6,611.48 × 1,636.96
  4. Step 4: Simplify right side
    4,411.21x = 10,822,732.39
  5. Step 5: Solve for x
    x = 10,822,732.39/4,411.21
  6. Step 6: Final answer
    x = 2,453.46

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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.