Home / 4,287.56-6,431.34-2,826.37

Finding the Fourth Proportional to 4,287.56, 6,431.34 and 2,826.37

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Solution

The fourth proportional to 4,287.56, 6,431.34 and 2,826.37 is: 4,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.56 : 6,431.34 = 2,826.37 : x
  2. Step 2: Convert to fraction form
    4,287.56/6,431.34 = 2,826.37/x
  3. Step 3: Cross multiply
    4,287.56x = 6,431.34 × 2,826.37
  4. Step 4: Simplify right side
    4,287.56x = 18,177,370.46
  5. Step 5: Solve for x
    x = 18,177,370.46/4,287.56
  6. Step 6: Final answer
    x = 4,239.56

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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.