Home / 5,556.82-7,668.13-3,072.34

Finding the Fourth Proportional to 5,556.82, 7,668.13 and 3,072.34

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Solution

The fourth proportional to 5,556.82, 7,668.13 and 3,072.34 is: 4,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.82 : 7,668.13 = 3,072.34 : x
  2. Step 2: Convert to fraction form
    5,556.82/7,668.13 = 3,072.34/x
  3. Step 3: Cross multiply
    5,556.82x = 7,668.13 × 3,072.34
  4. Step 4: Simplify right side
    5,556.82x = 23,559,102.52
  5. Step 5: Solve for x
    x = 23,559,102.52/5,556.82
  6. Step 6: Final answer
    x = 4,239.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.