Home / 7,887.33-11,824.76-3,936.56

Finding the Fourth Proportional to 7,887.33, 11,824.76 and 3,936.56

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Solution

The fourth proportional to 7,887.33, 11,824.76 and 3,936.56 is: 5,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.33 : 11,824.76 = 3,936.56 : x
  2. Step 2: Convert to fraction form
    7,887.33/11,824.76 = 3,936.56/x
  3. Step 3: Cross multiply
    7,887.33x = 11,824.76 × 3,936.56
  4. Step 4: Simplify right side
    7,887.33x = 46,548,840.69
  5. Step 5: Solve for x
    x = 46,548,840.69/7,887.33
  6. Step 6: Final answer
    x = 5,901.72

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1.5x scale

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.