Home / 5,448.78-7,519.53-3,091.38

Finding the Fourth Proportional to 5,448.78, 7,519.53 and 3,091.38

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Solution

The fourth proportional to 5,448.78, 7,519.53 and 3,091.38 is: 4,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.78 : 7,519.53 = 3,091.38 : x
  2. Step 2: Convert to fraction form
    5,448.78/7,519.53 = 3,091.38/x
  3. Step 3: Cross multiply
    5,448.78x = 7,519.53 × 3,091.38
  4. Step 4: Simplify right side
    5,448.78x = 23,245,724.65
  5. Step 5: Solve for x
    x = 23,245,724.65/5,448.78
  6. Step 6: Final answer
    x = 4,266.23

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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.