Home / 7,512.55-11,273.38-3,129.94

Finding the Fourth Proportional to 7,512.55, 11,273.38 and 3,129.94

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Solution

The fourth proportional to 7,512.55, 11,273.38 and 3,129.94 is: 4,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.55 : 11,273.38 = 3,129.94 : x
  2. Step 2: Convert to fraction form
    7,512.55/11,273.38 = 3,129.94/x
  3. Step 3: Cross multiply
    7,512.55x = 11,273.38 × 3,129.94
  4. Step 4: Simplify right side
    7,512.55x = 35,285,009.26
  5. Step 5: Solve for x
    x = 35,285,009.26/7,512.55
  6. Step 6: Final answer
    x = 4,696.81

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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.