Home / 4,178.55-6,268.29-1,405.41

Finding the Fourth Proportional to 4,178.55, 6,268.29 and 1,405.41

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Solution

The fourth proportional to 4,178.55, 6,268.29 and 1,405.41 is: 2,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.55 : 6,268.29 = 1,405.41 : x
  2. Step 2: Convert to fraction form
    4,178.55/6,268.29 = 1,405.41/x
  3. Step 3: Cross multiply
    4,178.55x = 6,268.29 × 1,405.41
  4. Step 4: Simplify right side
    4,178.55x = 8,809,517.45
  5. Step 5: Solve for x
    x = 8,809,517.45/4,178.55
  6. Step 6: Final answer
    x = 2,108.27

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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.