Home / 4,619.27-6,928.94-1,986.59

Finding the Fourth Proportional to 4,619.27, 6,928.94 and 1,986.59

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Solution

The fourth proportional to 4,619.27, 6,928.94 and 1,986.59 is: 2,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.27 : 6,928.94 = 1,986.59 : x
  2. Step 2: Convert to fraction form
    4,619.27/6,928.94 = 1,986.59/x
  3. Step 3: Cross multiply
    4,619.27x = 6,928.94 × 1,986.59
  4. Step 4: Simplify right side
    4,619.27x = 13,764,985.20
  5. Step 5: Solve for x
    x = 13,764,985.20/4,619.27
  6. Step 6: Final answer
    x = 2,979.91

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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.