Home / 4,101.10-6,135.90-4,090.60

Finding the Fourth Proportional to 4,101.10, 6,135.90 and 4,090.60

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Solution

The fourth proportional to 4,101.10, 6,135.90 and 4,090.60 is: 6,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.10 : 6,135.90 = 4,090.60 : x
  2. Step 2: Convert to fraction form
    4,101.10/6,135.90 = 4,090.60/x
  3. Step 3: Cross multiply
    4,101.10x = 6,135.90 × 4,090.60
  4. Step 4: Simplify right side
    4,101.10x = 25,099,512.54
  5. Step 5: Solve for x
    x = 25,099,512.54/4,101.10
  6. Step 6: Final answer
    x = 6,120.19

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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.