Home / 4,081.32-6,119.70-2,784.36

Finding the Fourth Proportional to 4,081.32, 6,119.70 and 2,784.36

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Solution

The fourth proportional to 4,081.32, 6,119.70 and 2,784.36 is: 4,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.32 : 6,119.70 = 2,784.36 : x
  2. Step 2: Convert to fraction form
    4,081.32/6,119.70 = 2,784.36/x
  3. Step 3: Cross multiply
    4,081.32x = 6,119.70 × 2,784.36
  4. Step 4: Simplify right side
    4,081.32x = 17,039,447.89
  5. Step 5: Solve for x
    x = 17,039,447.89/4,081.32
  6. Step 6: Final answer
    x = 4,174.98

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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.