Home / 4,286.70-6,431.26-1,365.24

Finding the Fourth Proportional to 4,286.70, 6,431.26 and 1,365.24

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Solution

The fourth proportional to 4,286.70, 6,431.26 and 1,365.24 is: 2,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.70 : 6,431.26 = 1,365.24 : x
  2. Step 2: Convert to fraction form
    4,286.70/6,431.26 = 1,365.24/x
  3. Step 3: Cross multiply
    4,286.70x = 6,431.26 × 1,365.24
  4. Step 4: Simplify right side
    4,286.70x = 8,780,213.40
  5. Step 5: Solve for x
    x = 8,780,213.40/4,286.70
  6. Step 6: Final answer
    x = 2,048.25

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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.