Home / 4,082.36-5,628.83-3,779.72

Finding the Fourth Proportional to 4,082.36, 5,628.83 and 3,779.72

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Solution

The fourth proportional to 4,082.36, 5,628.83 and 3,779.72 is: 5,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.36 : 5,628.83 = 3,779.72 : x
  2. Step 2: Convert to fraction form
    4,082.36/5,628.83 = 3,779.72/x
  3. Step 3: Cross multiply
    4,082.36x = 5,628.83 × 3,779.72
  4. Step 4: Simplify right side
    4,082.36x = 21,275,424.85
  5. Step 5: Solve for x
    x = 21,275,424.85/4,082.36
  6. Step 6: Final answer
    x = 5,211.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.