Home / 7,489.06-11,233.62-1,942.01

Finding the Fourth Proportional to 7,489.06, 11,233.62 and 1,942.01

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Solution

The fourth proportional to 7,489.06, 11,233.62 and 1,942.01 is: 2,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.06 : 11,233.62 = 1,942.01 : x
  2. Step 2: Convert to fraction form
    7,489.06/11,233.62 = 1,942.01/x
  3. Step 3: Cross multiply
    7,489.06x = 11,233.62 × 1,942.01
  4. Step 4: Simplify right side
    7,489.06x = 21,815,830.46
  5. Step 5: Solve for x
    x = 21,815,830.46/7,489.06
  6. Step 6: Final answer
    x = 2,913.03

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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.