Home / 6,573.21-9,861.38-2,190.70

Finding the Fourth Proportional to 6,573.21, 9,861.38 and 2,190.70

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Solution

The fourth proportional to 6,573.21, 9,861.38 and 2,190.70 is: 3,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573.21 : 9,861.38 = 2,190.70 : x
  2. Step 2: Convert to fraction form
    6,573.21/9,861.38 = 2,190.70/x
  3. Step 3: Cross multiply
    6,573.21x = 9,861.38 × 2,190.70
  4. Step 4: Simplify right side
    6,573.21x = 21,603,334.75
  5. Step 5: Solve for x
    x = 21,603,334.75/6,573.21
  6. Step 6: Final answer
    x = 3,286.57

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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.