Home / 7,722.09-11,573.81-3,556.39

Finding the Fourth Proportional to 7,722.09, 11,573.81 and 3,556.39

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Solution

The fourth proportional to 7,722.09, 11,573.81 and 3,556.39 is: 5,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.09 : 11,573.81 = 3,556.39 : x
  2. Step 2: Convert to fraction form
    7,722.09/11,573.81 = 3,556.39/x
  3. Step 3: Cross multiply
    7,722.09x = 11,573.81 × 3,556.39
  4. Step 4: Simplify right side
    7,722.09x = 41,160,991.04
  5. Step 5: Solve for x
    x = 41,160,991.04/7,722.09
  6. Step 6: Final answer
    x = 5,330.29

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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.