Home / 9,245.75-13,881.51-4,745.95

Finding the Fourth Proportional to 9,245.75, 13,881.51 and 4,745.95

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Solution

The fourth proportional to 9,245.75, 13,881.51 and 4,745.95 is: 7,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.75 : 13,881.51 = 4,745.95 : x
  2. Step 2: Convert to fraction form
    9,245.75/13,881.51 = 4,745.95/x
  3. Step 3: Cross multiply
    9,245.75x = 13,881.51 × 4,745.95
  4. Step 4: Simplify right side
    9,245.75x = 65,880,917.68
  5. Step 5: Solve for x
    x = 65,880,917.68/9,245.75
  6. Step 6: Final answer
    x = 7,125.54

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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.