Home / 7,556.76-11,336.88-3,171.72

Finding the Fourth Proportional to 7,556.76, 11,336.88 and 3,171.72

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Solution

The fourth proportional to 7,556.76, 11,336.88 and 3,171.72 is: 4,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.76 : 11,336.88 = 3,171.72 : x
  2. Step 2: Convert to fraction form
    7,556.76/11,336.88 = 3,171.72/x
  3. Step 3: Cross multiply
    7,556.76x = 11,336.88 × 3,171.72
  4. Step 4: Simplify right side
    7,556.76x = 35,957,409.03
  5. Step 5: Solve for x
    x = 35,957,409.03/7,556.76
  6. Step 6: Final answer
    x = 4,758.31

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1.5x scale

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.