Home / 5,556.05-7,668.29-3,319.64

Finding the Fourth Proportional to 5,556.05, 7,668.29 and 3,319.64

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Solution

The fourth proportional to 5,556.05, 7,668.29 and 3,319.64 is: 4,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.05 : 7,668.29 = 3,319.64 : x
  2. Step 2: Convert to fraction form
    5,556.05/7,668.29 = 3,319.64/x
  3. Step 3: Cross multiply
    5,556.05x = 7,668.29 × 3,319.64
  4. Step 4: Simplify right side
    5,556.05x = 25,455,945.62
  5. Step 5: Solve for x
    x = 25,455,945.62/5,556.05
  6. Step 6: Final answer
    x = 4,581.66

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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.