Home / 4,082.72-6,122.16-1,485.32

Finding the Fourth Proportional to 4,082.72, 6,122.16 and 1,485.32

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Solution

The fourth proportional to 4,082.72, 6,122.16 and 1,485.32 is: 2,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.72 : 6,122.16 = 1,485.32 : x
  2. Step 2: Convert to fraction form
    4,082.72/6,122.16 = 1,485.32/x
  3. Step 3: Cross multiply
    4,082.72x = 6,122.16 × 1,485.32
  4. Step 4: Simplify right side
    4,082.72x = 9,093,366.69
  5. Step 5: Solve for x
    x = 9,093,366.69/4,082.72
  6. Step 6: Final answer
    x = 2,227.28

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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.