Home / 6,138.36-9,205.74-2,188.98

Finding the Fourth Proportional to 6,138.36, 9,205.74 and 2,188.98

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Solution

The fourth proportional to 6,138.36, 9,205.74 and 2,188.98 is: 3,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.36 : 9,205.74 = 2,188.98 : x
  2. Step 2: Convert to fraction form
    6,138.36/9,205.74 = 2,188.98/x
  3. Step 3: Cross multiply
    6,138.36x = 9,205.74 × 2,188.98
  4. Step 4: Simplify right side
    6,138.36x = 20,151,180.75
  5. Step 5: Solve for x
    x = 20,151,180.75/6,138.36
  6. Step 6: Final answer
    x = 3,282.83

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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.