Home / 7,489.13-11,233.64-1,942.46

Finding the Fourth Proportional to 7,489.13, 11,233.64 and 1,942.46

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Solution

The fourth proportional to 7,489.13, 11,233.64 and 1,942.46 is: 2,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.13 : 11,233.64 = 1,942.46 : x
  2. Step 2: Convert to fraction form
    7,489.13/11,233.64 = 1,942.46/x
  3. Step 3: Cross multiply
    7,489.13x = 11,233.64 × 1,942.46
  4. Step 4: Simplify right side
    7,489.13x = 21,820,896.35
  5. Step 5: Solve for x
    x = 21,820,896.35/7,489.13
  6. Step 6: Final answer
    x = 2,913.68

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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.