Home / 4,268.99-6,405.53-1,930.65

Finding the Fourth Proportional to 4,268.99, 6,405.53 and 1,930.65

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Solution

The fourth proportional to 4,268.99, 6,405.53 and 1,930.65 is: 2,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.99 : 6,405.53 = 1,930.65 : x
  2. Step 2: Convert to fraction form
    4,268.99/6,405.53 = 1,930.65/x
  3. Step 3: Cross multiply
    4,268.99x = 6,405.53 × 1,930.65
  4. Step 4: Simplify right side
    4,268.99x = 12,366,826.84
  5. Step 5: Solve for x
    x = 12,366,826.84/4,268.99
  6. Step 6: Final answer
    x = 2,896.90

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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.