Home / 4,803.72-6,629.09-3,036.78

Finding the Fourth Proportional to 4,803.72, 6,629.09 and 3,036.78

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Solution

The fourth proportional to 4,803.72, 6,629.09 and 3,036.78 is: 4,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.72 : 6,629.09 = 3,036.78 : x
  2. Step 2: Convert to fraction form
    4,803.72/6,629.09 = 3,036.78/x
  3. Step 3: Cross multiply
    4,803.72x = 6,629.09 × 3,036.78
  4. Step 4: Simplify right side
    4,803.72x = 20,131,072.75
  5. Step 5: Solve for x
    x = 20,131,072.75/4,803.72
  6. Step 6: Final answer
    x = 4,190.73

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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.