Home / 4,239.54-6,362.82-2,161.08

Finding the Fourth Proportional to 4,239.54, 6,362.82 and 2,161.08

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Solution

The fourth proportional to 4,239.54, 6,362.82 and 2,161.08 is: 3,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.54 : 6,362.82 = 2,161.08 : x
  2. Step 2: Convert to fraction form
    4,239.54/6,362.82 = 2,161.08/x
  3. Step 3: Cross multiply
    4,239.54x = 6,362.82 × 2,161.08
  4. Step 4: Simplify right side
    4,239.54x = 13,750,563.05
  5. Step 5: Solve for x
    x = 13,750,563.05/4,239.54
  6. Step 6: Final answer
    x = 3,243.41

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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.