Home / 4,178.69-6,268.33-1,405.35

Finding the Fourth Proportional to 4,178.69, 6,268.33 and 1,405.35

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Solution

The fourth proportional to 4,178.69, 6,268.33 and 1,405.35 is: 2,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.69 : 6,268.33 = 1,405.35 : x
  2. Step 2: Convert to fraction form
    4,178.69/6,268.33 = 1,405.35/x
  3. Step 3: Cross multiply
    4,178.69x = 6,268.33 × 1,405.35
  4. Step 4: Simplify right side
    4,178.69x = 8,809,166.22
  5. Step 5: Solve for x
    x = 8,809,166.22/4,178.69
  6. Step 6: Final answer
    x = 2,108.12

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1.5x scale

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.