Home / 6,138.81-9,209.84-2,243.25

Finding the Fourth Proportional to 6,138.81, 9,209.84 and 2,243.25

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Solution

The fourth proportional to 6,138.81, 9,209.84 and 2,243.25 is: 3,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.81 : 9,209.84 = 2,243.25 : x
  2. Step 2: Convert to fraction form
    6,138.81/9,209.84 = 2,243.25/x
  3. Step 3: Cross multiply
    6,138.81x = 9,209.84 × 2,243.25
  4. Step 4: Simplify right side
    6,138.81x = 20,659,962.36
  5. Step 5: Solve for x
    x = 20,659,962.36/6,138.81
  6. Step 6: Final answer
    x = 3,365.47

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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.