Home / 7,474.51-11,211.70-1,927.82

Finding the Fourth Proportional to 7,474.51, 11,211.70 and 1,927.82

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Solution

The fourth proportional to 7,474.51, 11,211.70 and 1,927.82 is: 2,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.51 : 11,211.70 = 1,927.82 : x
  2. Step 2: Convert to fraction form
    7,474.51/11,211.70 = 1,927.82/x
  3. Step 3: Cross multiply
    7,474.51x = 11,211.70 × 1,927.82
  4. Step 4: Simplify right side
    7,474.51x = 21,614,103.25
  5. Step 5: Solve for x
    x = 21,614,103.25/7,474.51
  6. Step 6: Final answer
    x = 2,891.71

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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.