Home / 4,172.19-6,256.26-2,091.30

Finding the Fourth Proportional to 4,172.19, 6,256.26 and 2,091.30

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Solution

The fourth proportional to 4,172.19, 6,256.26 and 2,091.30 is: 3,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.19 : 6,256.26 = 2,091.30 : x
  2. Step 2: Convert to fraction form
    4,172.19/6,256.26 = 2,091.30/x
  3. Step 3: Cross multiply
    4,172.19x = 6,256.26 × 2,091.30
  4. Step 4: Simplify right side
    4,172.19x = 13,083,716.54
  5. Step 5: Solve for x
    x = 13,083,716.54/4,172.19
  6. Step 6: Final answer
    x = 3,135.93

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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.