Home / 6,081.30-9,121.20-2,750.70

Finding the Fourth Proportional to 6,081.30, 9,121.20 and 2,750.70

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Solution

The fourth proportional to 6,081.30, 9,121.20 and 2,750.70 is: 4,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.30 : 9,121.20 = 2,750.70 : x
  2. Step 2: Convert to fraction form
    6,081.30/9,121.20 = 2,750.70/x
  3. Step 3: Cross multiply
    6,081.30x = 9,121.20 × 2,750.70
  4. Step 4: Simplify right side
    6,081.30x = 25,089,684.84
  5. Step 5: Solve for x
    x = 25,089,684.84/6,081.30
  6. Step 6: Final answer
    x = 4,125.71

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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.