Home / 4,447.18-6,638.21-3,921.73

Finding the Fourth Proportional to 4,447.18, 6,638.21 and 3,921.73

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Solution

The fourth proportional to 4,447.18, 6,638.21 and 3,921.73 is: 5,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.18 : 6,638.21 = 3,921.73 : x
  2. Step 2: Convert to fraction form
    4,447.18/6,638.21 = 3,921.73/x
  3. Step 3: Cross multiply
    4,447.18x = 6,638.21 × 3,921.73
  4. Step 4: Simplify right side
    4,447.18x = 26,033,245.81
  5. Step 5: Solve for x
    x = 26,033,245.81/4,447.18
  6. Step 6: Final answer
    x = 5,853.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.