Home / 5,556.33-7,668.27-3,318.18

Finding the Fourth Proportional to 5,556.33, 7,668.27 and 3,318.18

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Solution

The fourth proportional to 5,556.33, 7,668.27 and 3,318.18 is: 4,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.33 : 7,668.27 = 3,318.18 : x
  2. Step 2: Convert to fraction form
    5,556.33/7,668.27 = 3,318.18/x
  3. Step 3: Cross multiply
    5,556.33x = 7,668.27 × 3,318.18
  4. Step 4: Simplify right side
    5,556.33x = 25,444,716.46
  5. Step 5: Solve for x
    x = 25,444,716.46/5,556.33
  6. Step 6: Final answer
    x = 4,579.41

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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.