Home / 7,665.45-11,481.77-4,734.87

Finding the Fourth Proportional to 7,665.45, 11,481.77 and 4,734.87

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Solution

The fourth proportional to 7,665.45, 11,481.77 and 4,734.87 is: 7,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.45 : 11,481.77 = 4,734.87 : x
  2. Step 2: Convert to fraction form
    7,665.45/11,481.77 = 4,734.87/x
  3. Step 3: Cross multiply
    7,665.45x = 11,481.77 × 4,734.87
  4. Step 4: Simplify right side
    7,665.45x = 54,364,664.65
  5. Step 5: Solve for x
    x = 54,364,664.65/7,665.45
  6. Step 6: Final answer
    x = 7,092.17

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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.