Home / 4,087.44-5,645.82-3,555.26

Finding the Fourth Proportional to 4,087.44, 5,645.82 and 3,555.26

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Solution

The fourth proportional to 4,087.44, 5,645.82 and 3,555.26 is: 4,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.44 : 5,645.82 = 3,555.26 : x
  2. Step 2: Convert to fraction form
    4,087.44/5,645.82 = 3,555.26/x
  3. Step 3: Cross multiply
    4,087.44x = 5,645.82 × 3,555.26
  4. Step 4: Simplify right side
    4,087.44x = 20,072,358.01
  5. Step 5: Solve for x
    x = 20,072,358.01/4,087.44
  6. Step 6: Final answer
    x = 4,910.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.