Home / 7,895.05-11,840.01-2,628.65

Finding the Fourth Proportional to 7,895.05, 11,840.01 and 2,628.65

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Solution

The fourth proportional to 7,895.05, 11,840.01 and 2,628.65 is: 3,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.05 : 11,840.01 = 2,628.65 : x
  2. Step 2: Convert to fraction form
    7,895.05/11,840.01 = 2,628.65/x
  3. Step 3: Cross multiply
    7,895.05x = 11,840.01 × 2,628.65
  4. Step 4: Simplify right side
    7,895.05x = 31,123,180.62
  5. Step 5: Solve for x
    x = 31,123,180.62/7,895.05
  6. Step 6: Final answer
    x = 3,942.11

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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.