Home / 4,128.42-5,694.60-2,804.41

Finding the Fourth Proportional to 4,128.42, 5,694.60 and 2,804.41

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Solution

The fourth proportional to 4,128.42, 5,694.60 and 2,804.41 is: 3,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.42 : 5,694.60 = 2,804.41 : x
  2. Step 2: Convert to fraction form
    4,128.42/5,694.60 = 2,804.41/x
  3. Step 3: Cross multiply
    4,128.42x = 5,694.60 × 2,804.41
  4. Step 4: Simplify right side
    4,128.42x = 15,969,993.19
  5. Step 5: Solve for x
    x = 15,969,993.19/4,128.42
  6. Step 6: Final answer
    x = 3,868.31

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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.