Home / 4,208.86-6,311.34-2,015.18

Finding the Fourth Proportional to 4,208.86, 6,311.34 and 2,015.18

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Solution

The fourth proportional to 4,208.86, 6,311.34 and 2,015.18 is: 3,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.86 : 6,311.34 = 2,015.18 : x
  2. Step 2: Convert to fraction form
    4,208.86/6,311.34 = 2,015.18/x
  3. Step 3: Cross multiply
    4,208.86x = 6,311.34 × 2,015.18
  4. Step 4: Simplify right side
    4,208.86x = 12,718,486.14
  5. Step 5: Solve for x
    x = 12,718,486.14/4,208.86
  6. Step 6: Final answer
    x = 3,021.84

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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.