Home / 5,189.20-7,783.86-2,996.60

Finding the Fourth Proportional to 5,189.20, 7,783.86 and 2,996.60

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Solution

The fourth proportional to 5,189.20, 7,783.86 and 2,996.60 is: 4,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.20 : 7,783.86 = 2,996.60 : x
  2. Step 2: Convert to fraction form
    5,189.20/7,783.86 = 2,996.60/x
  3. Step 3: Cross multiply
    5,189.20x = 7,783.86 × 2,996.60
  4. Step 4: Simplify right side
    5,189.20x = 23,325,114.88
  5. Step 5: Solve for x
    x = 23,325,114.88/5,189.20
  6. Step 6: Final answer
    x = 4,494.93

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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.