Home / 6,384.97-8,811.07-3,868.57

Finding the Fourth Proportional to 6,384.97, 8,811.07 and 3,868.57

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Solution

The fourth proportional to 6,384.97, 8,811.07 and 3,868.57 is: 5,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.97 : 8,811.07 = 3,868.57 : x
  2. Step 2: Convert to fraction form
    6,384.97/8,811.07 = 3,868.57/x
  3. Step 3: Cross multiply
    6,384.97x = 8,811.07 × 3,868.57
  4. Step 4: Simplify right side
    6,384.97x = 34,086,241.07
  5. Step 5: Solve for x
    x = 34,086,241.07/6,384.97
  6. Step 6: Final answer
    x = 5,338.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.