Home / 4,157.06-5,739.44-3,211.20

Finding the Fourth Proportional to 4,157.06, 5,739.44 and 3,211.20

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Solution

The fourth proportional to 4,157.06, 5,739.44 and 3,211.20 is: 4,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.06 : 5,739.44 = 3,211.20 : x
  2. Step 2: Convert to fraction form
    4,157.06/5,739.44 = 3,211.20/x
  3. Step 3: Cross multiply
    4,157.06x = 5,739.44 × 3,211.20
  4. Step 4: Simplify right side
    4,157.06x = 18,430,473.67
  5. Step 5: Solve for x
    x = 18,430,473.67/4,157.06
  6. Step 6: Final answer
    x = 4,433.54

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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.