Home / 7,561.44-11,345.49-3,866.72

Finding the Fourth Proportional to 7,561.44, 11,345.49 and 3,866.72

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Solution

The fourth proportional to 7,561.44, 11,345.49 and 3,866.72 is: 5,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.44 : 11,345.49 = 3,866.72 : x
  2. Step 2: Convert to fraction form
    7,561.44/11,345.49 = 3,866.72/x
  3. Step 3: Cross multiply
    7,561.44x = 11,345.49 × 3,866.72
  4. Step 4: Simplify right side
    7,561.44x = 43,869,776.37
  5. Step 5: Solve for x
    x = 43,869,776.37/7,561.44
  6. Step 6: Final answer
    x = 5,801.78

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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.