Home / 4,912.78-7,370.37-1,450.06

Finding the Fourth Proportional to 4,912.78, 7,370.37 and 1,450.06

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Solution

The fourth proportional to 4,912.78, 7,370.37 and 1,450.06 is: 2,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.78 : 7,370.37 = 1,450.06 : x
  2. Step 2: Convert to fraction form
    4,912.78/7,370.37 = 1,450.06/x
  3. Step 3: Cross multiply
    4,912.78x = 7,370.37 × 1,450.06
  4. Step 4: Simplify right side
    4,912.78x = 10,687,478.72
  5. Step 5: Solve for x
    x = 10,687,478.72/4,912.78
  6. Step 6: Final answer
    x = 2,175.44

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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.