Home / 6,171.40-8,513.46-4,183.48

Finding the Fourth Proportional to 6,171.40, 8,513.46 and 4,183.48

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Solution

The fourth proportional to 6,171.40, 8,513.46 and 4,183.48 is: 5,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.40 : 8,513.46 = 4,183.48 : x
  2. Step 2: Convert to fraction form
    6,171.40/8,513.46 = 4,183.48/x
  3. Step 3: Cross multiply
    6,171.40x = 8,513.46 × 4,183.48
  4. Step 4: Simplify right side
    6,171.40x = 35,615,889.64
  5. Step 5: Solve for x
    x = 35,615,889.64/6,171.40
  6. Step 6: Final answer
    x = 5,771.12

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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.