Home / 6,816.88-10,223.43-2,920.38

Finding the Fourth Proportional to 6,816.88, 10,223.43 and 2,920.38

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Solution

The fourth proportional to 6,816.88, 10,223.43 and 2,920.38 is: 4,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.88 : 10,223.43 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    6,816.88/10,223.43 = 2,920.38/x
  3. Step 3: Cross multiply
    6,816.88x = 10,223.43 × 2,920.38
  4. Step 4: Simplify right side
    6,816.88x = 29,856,300.50
  5. Step 5: Solve for x
    x = 29,856,300.50/6,816.88
  6. Step 6: Final answer
    x = 4,379.76

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1.5x scale

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.