Home / 4,287.93-6,431.88-1,366.22

Finding the Fourth Proportional to 4,287.93, 6,431.88 and 1,366.22

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Solution

The fourth proportional to 4,287.93, 6,431.88 and 1,366.22 is: 2,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.93 : 6,431.88 = 1,366.22 : x
  2. Step 2: Convert to fraction form
    4,287.93/6,431.88 = 1,366.22/x
  3. Step 3: Cross multiply
    4,287.93x = 6,431.88 × 1,366.22
  4. Step 4: Simplify right side
    4,287.93x = 8,787,363.09
  5. Step 5: Solve for x
    x = 8,787,363.09/4,287.93
  6. Step 6: Final answer
    x = 2,049.33

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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.