Home / 7,717.71-11,576.49-1,874.33

Finding the Fourth Proportional to 7,717.71, 11,576.49 and 1,874.33

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Solution

The fourth proportional to 7,717.71, 11,576.49 and 1,874.33 is: 2,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.71 : 11,576.49 = 1,874.33 : x
  2. Step 2: Convert to fraction form
    7,717.71/11,576.49 = 1,874.33/x
  3. Step 3: Cross multiply
    7,717.71x = 11,576.49 × 1,874.33
  4. Step 4: Simplify right side
    7,717.71x = 21,698,141.00
  5. Step 5: Solve for x
    x = 21,698,141.00/7,717.71
  6. Step 6: Final answer
    x = 2,811.47

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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.