Home / 7,835.75-11,748.36-3,087.57

Finding the Fourth Proportional to 7,835.75, 11,748.36 and 3,087.57

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Solution

The fourth proportional to 7,835.75, 11,748.36 and 3,087.57 is: 4,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.75 : 11,748.36 = 3,087.57 : x
  2. Step 2: Convert to fraction form
    7,835.75/11,748.36 = 3,087.57/x
  3. Step 3: Cross multiply
    7,835.75x = 11,748.36 × 3,087.57
  4. Step 4: Simplify right side
    7,835.75x = 36,273,883.89
  5. Step 5: Solve for x
    x = 36,273,883.89/7,835.75
  6. Step 6: Final answer
    x = 4,629.28

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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.