Home / 6,823.09-10,239.34-2,380.78

Finding the Fourth Proportional to 6,823.09, 10,239.34 and 2,380.78

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Solution

The fourth proportional to 6,823.09, 10,239.34 and 2,380.78 is: 3,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.09 : 10,239.34 = 2,380.78 : x
  2. Step 2: Convert to fraction form
    6,823.09/10,239.34 = 2,380.78/x
  3. Step 3: Cross multiply
    6,823.09x = 10,239.34 × 2,380.78
  4. Step 4: Simplify right side
    6,823.09x = 24,377,603.98
  5. Step 5: Solve for x
    x = 24,377,603.98/6,823.09
  6. Step 6: Final answer
    x = 3,572.81

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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.