Home / 4,190.47-6,286.74-1,268.62

Finding the Fourth Proportional to 4,190.47, 6,286.74 and 1,268.62

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Solution

The fourth proportional to 4,190.47, 6,286.74 and 1,268.62 is: 1,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.47 : 6,286.74 = 1,268.62 : x
  2. Step 2: Convert to fraction form
    4,190.47/6,286.74 = 1,268.62/x
  3. Step 3: Cross multiply
    4,190.47x = 6,286.74 × 1,268.62
  4. Step 4: Simplify right side
    4,190.47x = 7,975,484.10
  5. Step 5: Solve for x
    x = 7,975,484.10/4,190.47
  6. Step 6: Final answer
    x = 1,903.24

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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.