Home / 4,111.96-6,168.75-1,190.29

Finding the Fourth Proportional to 4,111.96, 6,168.75 and 1,190.29

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Solution

The fourth proportional to 4,111.96, 6,168.75 and 1,190.29 is: 1,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.96 : 6,168.75 = 1,190.29 : x
  2. Step 2: Convert to fraction form
    4,111.96/6,168.75 = 1,190.29/x
  3. Step 3: Cross multiply
    4,111.96x = 6,168.75 × 1,190.29
  4. Step 4: Simplify right side
    4,111.96x = 7,342,601.44
  5. Step 5: Solve for x
    x = 7,342,601.44/4,111.96
  6. Step 6: Final answer
    x = 1,785.67

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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.