Home / 7,018.65-10,529.46-2,636.15

Finding the Fourth Proportional to 7,018.65, 10,529.46 and 2,636.15

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Solution

The fourth proportional to 7,018.65, 10,529.46 and 2,636.15 is: 3,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.65 : 10,529.46 = 2,636.15 : x
  2. Step 2: Convert to fraction form
    7,018.65/10,529.46 = 2,636.15/x
  3. Step 3: Cross multiply
    7,018.65x = 10,529.46 × 2,636.15
  4. Step 4: Simplify right side
    7,018.65x = 27,757,183.33
  5. Step 5: Solve for x
    x = 27,757,183.33/7,018.65
  6. Step 6: Final answer
    x = 3,954.78

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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.