Home / 4,286.78-6,431.01-1,364.54

Finding the Fourth Proportional to 4,286.78, 6,431.01 and 1,364.54

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Solution

The fourth proportional to 4,286.78, 6,431.01 and 1,364.54 is: 2,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.78 : 6,431.01 = 1,364.54 : x
  2. Step 2: Convert to fraction form
    4,286.78/6,431.01 = 1,364.54/x
  3. Step 3: Cross multiply
    4,286.78x = 6,431.01 × 1,364.54
  4. Step 4: Simplify right side
    4,286.78x = 8,775,370.39
  5. Step 5: Solve for x
    x = 8,775,370.39/4,286.78
  6. Step 6: Final answer
    x = 2,047.08

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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.