Home / 7,965.36-11,942.16-5,362.80

Finding the Fourth Proportional to 7,965.36, 11,942.16 and 5,362.80

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Solution

The fourth proportional to 7,965.36, 11,942.16 and 5,362.80 is: 8,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.36 : 11,942.16 = 5,362.80 : x
  2. Step 2: Convert to fraction form
    7,965.36/11,942.16 = 5,362.80/x
  3. Step 3: Cross multiply
    7,965.36x = 11,942.16 × 5,362.80
  4. Step 4: Simplify right side
    7,965.36x = 64,043,415.65
  5. Step 5: Solve for x
    x = 64,043,415.65/7,965.36
  6. Step 6: Final answer
    x = 8,040.24

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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.