Home / 4,911.78-7,367.67-1,448.22

Finding the Fourth Proportional to 4,911.78, 7,367.67 and 1,448.22

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Solution

The fourth proportional to 4,911.78, 7,367.67 and 1,448.22 is: 2,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.78 : 7,367.67 = 1,448.22 : x
  2. Step 2: Convert to fraction form
    4,911.78/7,367.67 = 1,448.22/x
  3. Step 3: Cross multiply
    4,911.78x = 7,367.67 × 1,448.22
  4. Step 4: Simplify right side
    4,911.78x = 10,670,007.05
  5. Step 5: Solve for x
    x = 10,670,007.05/4,911.78
  6. Step 6: Final answer
    x = 2,172.33

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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.