Home / 4,290.96-6,432.32-1,367.36

Finding the Fourth Proportional to 4,290.96, 6,432.32 and 1,367.36

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Solution

The fourth proportional to 4,290.96, 6,432.32 and 1,367.36 is: 2,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.96 : 6,432.32 = 1,367.36 : x
  2. Step 2: Convert to fraction form
    4,290.96/6,432.32 = 1,367.36/x
  3. Step 3: Cross multiply
    4,290.96x = 6,432.32 × 1,367.36
  4. Step 4: Simplify right side
    4,290.96x = 8,795,268.33
  5. Step 5: Solve for x
    x = 8,795,268.33/4,290.96
  6. Step 6: Final answer
    x = 2,049.72

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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.