Home / 4,639.22-6,398.60-3,993.55

Finding the Fourth Proportional to 4,639.22, 6,398.60 and 3,993.55

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Solution

The fourth proportional to 4,639.22, 6,398.60 and 3,993.55 is: 5,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.22 : 6,398.60 = 3,993.55 : x
  2. Step 2: Convert to fraction form
    4,639.22/6,398.60 = 3,993.55/x
  3. Step 3: Cross multiply
    4,639.22x = 6,398.60 × 3,993.55
  4. Step 4: Simplify right side
    4,639.22x = 25,553,109.06
  5. Step 5: Solve for x
    x = 25,553,109.06/4,639.22
  6. Step 6: Final answer
    x = 5,508.06

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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.