Home / 6,189.21-9,289.28-3,269.57

Finding the Fourth Proportional to 6,189.21, 9,289.28 and 3,269.57

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Solution

The fourth proportional to 6,189.21, 9,289.28 and 3,269.57 is: 4,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.21 : 9,289.28 = 3,269.57 : x
  2. Step 2: Convert to fraction form
    6,189.21/9,289.28 = 3,269.57/x
  3. Step 3: Cross multiply
    6,189.21x = 9,289.28 × 3,269.57
  4. Step 4: Simplify right side
    6,189.21x = 30,371,912.94
  5. Step 5: Solve for x
    x = 30,371,912.94/6,189.21
  6. Step 6: Final answer
    x = 4,907.24

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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.