Home / 4,149.78-6,223.38-1,227.36

Finding the Fourth Proportional to 4,149.78, 6,223.38 and 1,227.36

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Solution

The fourth proportional to 4,149.78, 6,223.38 and 1,227.36 is: 1,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.78 : 6,223.38 = 1,227.36 : x
  2. Step 2: Convert to fraction form
    4,149.78/6,223.38 = 1,227.36/x
  3. Step 3: Cross multiply
    4,149.78x = 6,223.38 × 1,227.36
  4. Step 4: Simplify right side
    4,149.78x = 7,638,327.68
  5. Step 5: Solve for x
    x = 7,638,327.68/4,149.78
  6. Step 6: Final answer
    x = 1,840.66

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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.