Home / 4,173.72-6,261.19-1,399.77

Finding the Fourth Proportional to 4,173.72, 6,261.19 and 1,399.77

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Solution

The fourth proportional to 4,173.72, 6,261.19 and 1,399.77 is: 2,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.72 : 6,261.19 = 1,399.77 : x
  2. Step 2: Convert to fraction form
    4,173.72/6,261.19 = 1,399.77/x
  3. Step 3: Cross multiply
    4,173.72x = 6,261.19 × 1,399.77
  4. Step 4: Simplify right side
    4,173.72x = 8,764,222.43
  5. Step 5: Solve for x
    x = 8,764,222.43/4,173.72
  6. Step 6: Final answer
    x = 2,099.86

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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.