Home / 4,138.12-6,197.10-3,518.20

Finding the Fourth Proportional to 4,138.12, 6,197.10 and 3,518.20

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Solution

The fourth proportional to 4,138.12, 6,197.10 and 3,518.20 is: 5,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.12 : 6,197.10 = 3,518.20 : x
  2. Step 2: Convert to fraction form
    4,138.12/6,197.10 = 3,518.20/x
  3. Step 3: Cross multiply
    4,138.12x = 6,197.10 × 3,518.20
  4. Step 4: Simplify right side
    4,138.12x = 21,802,637.22
  5. Step 5: Solve for x
    x = 21,802,637.22/4,138.12
  6. Step 6: Final answer
    x = 5,268.73

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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.