Home / 4,081.70-6,122.55-3,425.60

Finding the Fourth Proportional to 4,081.70, 6,122.55 and 3,425.60

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Solution

The fourth proportional to 4,081.70, 6,122.55 and 3,425.60 is: 5,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.70 : 6,122.55 = 3,425.60 : x
  2. Step 2: Convert to fraction form
    4,081.70/6,122.55 = 3,425.60/x
  3. Step 3: Cross multiply
    4,081.70x = 6,122.55 × 3,425.60
  4. Step 4: Simplify right side
    4,081.70x = 20,973,407.28
  5. Step 5: Solve for x
    x = 20,973,407.28/4,081.70
  6. Step 6: Final answer
    x = 5,138.40

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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.