Home / 5,183.21-7,761.15-4,080.60

Finding the Fourth Proportional to 5,183.21, 7,761.15 and 4,080.60

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Solution

The fourth proportional to 5,183.21, 7,761.15 and 4,080.60 is: 6,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.21 : 7,761.15 = 4,080.60 : x
  2. Step 2: Convert to fraction form
    5,183.21/7,761.15 = 4,080.60/x
  3. Step 3: Cross multiply
    5,183.21x = 7,761.15 × 4,080.60
  4. Step 4: Simplify right side
    5,183.21x = 31,670,148.69
  5. Step 5: Solve for x
    x = 31,670,148.69/5,183.21
  6. Step 6: Final answer
    x = 6,110.14

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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.