Home / 5,466.22-8,193.49-3,121.20

Finding the Fourth Proportional to 5,466.22, 8,193.49 and 3,121.20

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Solution

The fourth proportional to 5,466.22, 8,193.49 and 3,121.20 is: 4,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.22 : 8,193.49 = 3,121.20 : x
  2. Step 2: Convert to fraction form
    5,466.22/8,193.49 = 3,121.20/x
  3. Step 3: Cross multiply
    5,466.22x = 8,193.49 × 3,121.20
  4. Step 4: Simplify right side
    5,466.22x = 25,573,513.19
  5. Step 5: Solve for x
    x = 25,573,513.19/5,466.22
  6. Step 6: Final answer
    x = 4,678.47

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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.