Home / 8,082.12-12,120.96-5,735.16

Finding the Fourth Proportional to 8,082.12, 12,120.96 and 5,735.16

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Solution

The fourth proportional to 8,082.12, 12,120.96 and 5,735.16 is: 8,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.12 : 12,120.96 = 5,735.16 : x
  2. Step 2: Convert to fraction form
    8,082.12/12,120.96 = 5,735.16/x
  3. Step 3: Cross multiply
    8,082.12x = 12,120.96 × 5,735.16
  4. Step 4: Simplify right side
    8,082.12x = 69,515,644.95
  5. Step 5: Solve for x
    x = 69,515,644.95/8,082.12
  6. Step 6: Final answer
    x = 8,601.16

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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.