Home / 4,189.65-6,284.77-1,268.18

Finding the Fourth Proportional to 4,189.65, 6,284.77 and 1,268.18

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Solution

The fourth proportional to 4,189.65, 6,284.77 and 1,268.18 is: 1,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.65 : 6,284.77 = 1,268.18 : x
  2. Step 2: Convert to fraction form
    4,189.65/6,284.77 = 1,268.18/x
  3. Step 3: Cross multiply
    4,189.65x = 6,284.77 × 1,268.18
  4. Step 4: Simplify right side
    4,189.65x = 7,970,219.62
  5. Step 5: Solve for x
    x = 7,970,219.62/4,189.65
  6. Step 6: Final answer
    x = 1,902.36

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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.