Home / 7,556.09-11,334.13-4,115.21

Finding the Fourth Proportional to 7,556.09, 11,334.13 and 4,115.21

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Solution

The fourth proportional to 7,556.09, 11,334.13 and 4,115.21 is: 6,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.09 : 11,334.13 = 4,115.21 : x
  2. Step 2: Convert to fraction form
    7,556.09/11,334.13 = 4,115.21/x
  3. Step 3: Cross multiply
    7,556.09x = 11,334.13 × 4,115.21
  4. Step 4: Simplify right side
    7,556.09x = 46,642,258.16
  5. Step 5: Solve for x
    x = 46,642,258.16/7,556.09
  6. Step 6: Final answer
    x = 6,172.81

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Double scale
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Similar ratio
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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.