Home / 4,025.21-5,551.98-3,889.73

Finding the Fourth Proportional to 4,025.21, 5,551.98 and 3,889.73

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Solution

The fourth proportional to 4,025.21, 5,551.98 and 3,889.73 is: 5,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.21 : 5,551.98 = 3,889.73 : x
  2. Step 2: Convert to fraction form
    4,025.21/5,551.98 = 3,889.73/x
  3. Step 3: Cross multiply
    4,025.21x = 5,551.98 × 3,889.73
  4. Step 4: Simplify right side
    4,025.21x = 21,595,702.46
  5. Step 5: Solve for x
    x = 21,595,702.46/4,025.21
  6. Step 6: Final answer
    x = 5,365.12

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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.