Home / 7,485-11,227.46-1,938.33

Finding the Fourth Proportional to 7,485, 11,227.46 and 1,938.33

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Solution

The fourth proportional to 7,485, 11,227.46 and 1,938.33 is: 2,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485 : 11,227.46 = 1,938.33 : x
  2. Step 2: Convert to fraction form
    7,485/11,227.46 = 1,938.33/x
  3. Step 3: Cross multiply
    7,485x = 11,227.46 × 1,938.33
  4. Step 4: Simplify right side
    7,485x = 21,762,512.85
  5. Step 5: Solve for x
    x = 21,762,512.85/7,485
  6. Step 6: Final answer
    x = 2,907.48

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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.