Home / 7,481.80-11,220.54-2,551.33

Finding the Fourth Proportional to 7,481.80, 11,220.54 and 2,551.33

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Solution

The fourth proportional to 7,481.80, 11,220.54 and 2,551.33 is: 3,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.80 : 11,220.54 = 2,551.33 : x
  2. Step 2: Convert to fraction form
    7,481.80/11,220.54 = 2,551.33/x
  3. Step 3: Cross multiply
    7,481.80x = 11,220.54 × 2,551.33
  4. Step 4: Simplify right side
    7,481.80x = 28,627,300.32
  5. Step 5: Solve for x
    x = 28,627,300.32/7,481.80
  6. Step 6: Final answer
    x = 3,826.26

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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.