Home / 4,015.81-6,022.56-1,383.21

Finding the Fourth Proportional to 4,015.81, 6,022.56 and 1,383.21

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Solution

The fourth proportional to 4,015.81, 6,022.56 and 1,383.21 is: 2,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.81 : 6,022.56 = 1,383.21 : x
  2. Step 2: Convert to fraction form
    4,015.81/6,022.56 = 1,383.21/x
  3. Step 3: Cross multiply
    4,015.81x = 6,022.56 × 1,383.21
  4. Step 4: Simplify right side
    4,015.81x = 8,330,435.72
  5. Step 5: Solve for x
    x = 8,330,435.72/4,015.81
  6. Step 6: Final answer
    x = 2,074.41

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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.