Home / 4,192.21-6,288.26-1,072.19

Finding the Fourth Proportional to 4,192.21, 6,288.26 and 1,072.19

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Solution

The fourth proportional to 4,192.21, 6,288.26 and 1,072.19 is: 1,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.21 : 6,288.26 = 1,072.19 : x
  2. Step 2: Convert to fraction form
    4,192.21/6,288.26 = 1,072.19/x
  3. Step 3: Cross multiply
    4,192.21x = 6,288.26 × 1,072.19
  4. Step 4: Simplify right side
    4,192.21x = 6,742,221.36
  5. Step 5: Solve for x
    x = 6,742,221.36/4,192.21
  6. Step 6: Final answer
    x = 1,608.27

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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.