Home / 5,556.82-8,331.71-2,782.74

Finding the Fourth Proportional to 5,556.82, 8,331.71 and 2,782.74

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Solution

The fourth proportional to 5,556.82, 8,331.71 and 2,782.74 is: 4,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.82 : 8,331.71 = 2,782.74 : x
  2. Step 2: Convert to fraction form
    5,556.82/8,331.71 = 2,782.74/x
  3. Step 3: Cross multiply
    5,556.82x = 8,331.71 × 2,782.74
  4. Step 4: Simplify right side
    5,556.82x = 23,184,982.69
  5. Step 5: Solve for x
    x = 23,184,982.69/5,556.82
  6. Step 6: Final answer
    x = 4,172.35

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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.