Home / 4,082.38-6,120.87-1,485.34

Finding the Fourth Proportional to 4,082.38, 6,120.87 and 1,485.34

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Solution

The fourth proportional to 4,082.38, 6,120.87 and 1,485.34 is: 2,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.38 : 6,120.87 = 1,485.34 : x
  2. Step 2: Convert to fraction form
    4,082.38/6,120.87 = 1,485.34/x
  3. Step 3: Cross multiply
    4,082.38x = 6,120.87 × 1,485.34
  4. Step 4: Simplify right side
    4,082.38x = 9,091,573.05
  5. Step 5: Solve for x
    x = 9,091,573.05/4,082.38
  6. Step 6: Final answer
    x = 2,227.03

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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.