Home / 7,786.60-11,661.54-5,935.48

Finding the Fourth Proportional to 7,786.60, 11,661.54 and 5,935.48

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Solution

The fourth proportional to 7,786.60, 11,661.54 and 5,935.48 is: 8,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.60 : 11,661.54 = 5,935.48 : x
  2. Step 2: Convert to fraction form
    7,786.60/11,661.54 = 5,935.48/x
  3. Step 3: Cross multiply
    7,786.60x = 11,661.54 × 5,935.48
  4. Step 4: Simplify right side
    7,786.60x = 69,216,837.44
  5. Step 5: Solve for x
    x = 69,216,837.44/7,786.60
  6. Step 6: Final answer
    x = 8,889.22

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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.