Home / 7,813.43-11,721.27-2,266.80

Finding the Fourth Proportional to 7,813.43, 11,721.27 and 2,266.80

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Solution

The fourth proportional to 7,813.43, 11,721.27 and 2,266.80 is: 3,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.43 : 11,721.27 = 2,266.80 : x
  2. Step 2: Convert to fraction form
    7,813.43/11,721.27 = 2,266.80/x
  3. Step 3: Cross multiply
    7,813.43x = 11,721.27 × 2,266.80
  4. Step 4: Simplify right side
    7,813.43x = 26,569,739.38
  5. Step 5: Solve for x
    x = 26,569,739.38/7,813.43
  6. Step 6: Final answer
    x = 3,400.52

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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.