Home / 4,078.25-5,622.75-3,517.63

Finding the Fourth Proportional to 4,078.25, 5,622.75 and 3,517.63

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Solution

The fourth proportional to 4,078.25, 5,622.75 and 3,517.63 is: 4,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.25 : 5,622.75 = 3,517.63 : x
  2. Step 2: Convert to fraction form
    4,078.25/5,622.75 = 3,517.63/x
  3. Step 3: Cross multiply
    4,078.25x = 5,622.75 × 3,517.63
  4. Step 4: Simplify right side
    4,078.25x = 19,778,740.03
  5. Step 5: Solve for x
    x = 19,778,740.03/4,078.25
  6. Step 6: Final answer
    x = 4,849.81

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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.