Home / 4,178.33-6,268.20-1,405.27

Finding the Fourth Proportional to 4,178.33, 6,268.20 and 1,405.27

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Solution

The fourth proportional to 4,178.33, 6,268.20 and 1,405.27 is: 2,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.33 : 6,268.20 = 1,405.27 : x
  2. Step 2: Convert to fraction form
    4,178.33/6,268.20 = 1,405.27/x
  3. Step 3: Cross multiply
    4,178.33x = 6,268.20 × 1,405.27
  4. Step 4: Simplify right side
    4,178.33x = 8,808,513.41
  5. Step 5: Solve for x
    x = 8,808,513.41/4,178.33
  6. Step 6: Final answer
    x = 2,108.14

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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.