Home / 5,467.84-8,205.74-2,181.87

Finding the Fourth Proportional to 5,467.84, 8,205.74 and 2,181.87

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Solution

The fourth proportional to 5,467.84, 8,205.74 and 2,181.87 is: 3,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.84 : 8,205.74 = 2,181.87 : x
  2. Step 2: Convert to fraction form
    5,467.84/8,205.74 = 2,181.87/x
  3. Step 3: Cross multiply
    5,467.84x = 8,205.74 × 2,181.87
  4. Step 4: Simplify right side
    5,467.84x = 17,903,857.93
  5. Step 5: Solve for x
    x = 17,903,857.93/5,467.84
  6. Step 6: Final answer
    x = 3,274.39

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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.