Home / 6,138.32-9,210.20-2,241.81

Finding the Fourth Proportional to 6,138.32, 9,210.20 and 2,241.81

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Solution

The fourth proportional to 6,138.32, 9,210.20 and 2,241.81 is: 3,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.32 : 9,210.20 = 2,241.81 : x
  2. Step 2: Convert to fraction form
    6,138.32/9,210.20 = 2,241.81/x
  3. Step 3: Cross multiply
    6,138.32x = 9,210.20 × 2,241.81
  4. Step 4: Simplify right side
    6,138.32x = 20,647,507.25
  5. Step 5: Solve for x
    x = 20,647,507.25/6,138.32
  6. Step 6: Final answer
    x = 3,363.71

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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.