Home / 5,556.78-8,336.97-2,271.42

Finding the Fourth Proportional to 5,556.78, 8,336.97 and 2,271.42

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Solution

The fourth proportional to 5,556.78, 8,336.97 and 2,271.42 is: 3,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.78 : 8,336.97 = 2,271.42 : x
  2. Step 2: Convert to fraction form
    5,556.78/8,336.97 = 2,271.42/x
  3. Step 3: Cross multiply
    5,556.78x = 8,336.97 × 2,271.42
  4. Step 4: Simplify right side
    5,556.78x = 18,936,760.40
  5. Step 5: Solve for x
    x = 18,936,760.40/5,556.78
  6. Step 6: Final answer
    x = 3,407.87

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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.