Home / 4,082.46-5,637.78-3,489.54

Finding the Fourth Proportional to 4,082.46, 5,637.78 and 3,489.54

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Solution

The fourth proportional to 4,082.46, 5,637.78 and 3,489.54 is: 4,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.46 : 5,637.78 = 3,489.54 : x
  2. Step 2: Convert to fraction form
    4,082.46/5,637.78 = 3,489.54/x
  3. Step 3: Cross multiply
    4,082.46x = 5,637.78 × 3,489.54
  4. Step 4: Simplify right side
    4,082.46x = 19,673,258.82
  5. Step 5: Solve for x
    x = 19,673,258.82/4,082.46
  6. Step 6: Final answer
    x = 4,818.97

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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.