Home / 7,442.51-11,163.55-1,895.83

Finding the Fourth Proportional to 7,442.51, 11,163.55 and 1,895.83

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Solution

The fourth proportional to 7,442.51, 11,163.55 and 1,895.83 is: 2,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.51 : 11,163.55 = 1,895.83 : x
  2. Step 2: Convert to fraction form
    7,442.51/11,163.55 = 1,895.83/x
  3. Step 3: Cross multiply
    7,442.51x = 11,163.55 × 1,895.83
  4. Step 4: Simplify right side
    7,442.51x = 21,164,189.97
  5. Step 5: Solve for x
    x = 21,164,189.97/7,442.51
  6. Step 6: Final answer
    x = 2,843.69

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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.