Home / 4,290.22-5,921.67-3,512.62

Finding the Fourth Proportional to 4,290.22, 5,921.67 and 3,512.62

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Solution

The fourth proportional to 4,290.22, 5,921.67 and 3,512.62 is: 4,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.22 : 5,921.67 = 3,512.62 : x
  2. Step 2: Convert to fraction form
    4,290.22/5,921.67 = 3,512.62/x
  3. Step 3: Cross multiply
    4,290.22x = 5,921.67 × 3,512.62
  4. Step 4: Simplify right side
    4,290.22x = 20,800,576.48
  5. Step 5: Solve for x
    x = 20,800,576.48/4,290.22
  6. Step 6: Final answer
    x = 4,848.37

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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.