Home / 4,128.32-6,193.63-1,662.57

Finding the Fourth Proportional to 4,128.32, 6,193.63 and 1,662.57

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Solution

The fourth proportional to 4,128.32, 6,193.63 and 1,662.57 is: 2,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.32 : 6,193.63 = 1,662.57 : x
  2. Step 2: Convert to fraction form
    4,128.32/6,193.63 = 1,662.57/x
  3. Step 3: Cross multiply
    4,128.32x = 6,193.63 × 1,662.57
  4. Step 4: Simplify right side
    4,128.32x = 10,297,326.44
  5. Step 5: Solve for x
    x = 10,297,326.44/4,128.32
  6. Step 6: Final answer
    x = 2,494.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.