Home / 4,119.63-6,179.67-1,346.72

Finding the Fourth Proportional to 4,119.63, 6,179.67 and 1,346.72

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Solution

The fourth proportional to 4,119.63, 6,179.67 and 1,346.72 is: 2,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.63 : 6,179.67 = 1,346.72 : x
  2. Step 2: Convert to fraction form
    4,119.63/6,179.67 = 1,346.72/x
  3. Step 3: Cross multiply
    4,119.63x = 6,179.67 × 1,346.72
  4. Step 4: Simplify right side
    4,119.63x = 8,322,254.28
  5. Step 5: Solve for x
    x = 8,322,254.28/4,119.63
  6. Step 6: Final answer
    x = 2,020.15

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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.