Home / 6,139.21-9,201.67-3,508.56

Finding the Fourth Proportional to 6,139.21, 9,201.67 and 3,508.56

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Solution

The fourth proportional to 6,139.21, 9,201.67 and 3,508.56 is: 5,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.21 : 9,201.67 = 3,508.56 : x
  2. Step 2: Convert to fraction form
    6,139.21/9,201.67 = 3,508.56/x
  3. Step 3: Cross multiply
    6,139.21x = 9,201.67 × 3,508.56
  4. Step 4: Simplify right side
    6,139.21x = 32,284,611.30
  5. Step 5: Solve for x
    x = 32,284,611.30/6,139.21
  6. Step 6: Final answer
    x = 5,258.76

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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.