Home / 4,149.76-6,222.46-1,227.64

Finding the Fourth Proportional to 4,149.76, 6,222.46 and 1,227.64

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Solution

The fourth proportional to 4,149.76, 6,222.46 and 1,227.64 is: 1,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.76 : 6,222.46 = 1,227.64 : x
  2. Step 2: Convert to fraction form
    4,149.76/6,222.46 = 1,227.64/x
  3. Step 3: Cross multiply
    4,149.76x = 6,222.46 × 1,227.64
  4. Step 4: Simplify right side
    4,149.76x = 7,638,940.79
  5. Step 5: Solve for x
    x = 7,638,940.79/4,149.76
  6. Step 6: Final answer
    x = 1,840.82

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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.