Home / 4,086.72-6,126.30-1,619.64

Finding the Fourth Proportional to 4,086.72, 6,126.30 and 1,619.64

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Solution

The fourth proportional to 4,086.72, 6,126.30 and 1,619.64 is: 2,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.72 : 6,126.30 = 1,619.64 : x
  2. Step 2: Convert to fraction form
    4,086.72/6,126.30 = 1,619.64/x
  3. Step 3: Cross multiply
    4,086.72x = 6,126.30 × 1,619.64
  4. Step 4: Simplify right side
    4,086.72x = 9,922,400.53
  5. Step 5: Solve for x
    x = 9,922,400.53/4,086.72
  6. Step 6: Final answer
    x = 2,427.96

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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.