Home / 4,258.88-6,391.24-1,485.56

Finding the Fourth Proportional to 4,258.88, 6,391.24 and 1,485.56

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Solution

The fourth proportional to 4,258.88, 6,391.24 and 1,485.56 is: 2,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.88 : 6,391.24 = 1,485.56 : x
  2. Step 2: Convert to fraction form
    4,258.88/6,391.24 = 1,485.56/x
  3. Step 3: Cross multiply
    4,258.88x = 6,391.24 × 1,485.56
  4. Step 4: Simplify right side
    4,258.88x = 9,494,570.49
  5. Step 5: Solve for x
    x = 9,494,570.49/4,258.88
  6. Step 6: Final answer
    x = 2,229.36

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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.