Home / 5,318.97-7,338.92-3,995.84

Finding the Fourth Proportional to 5,318.97, 7,338.92 and 3,995.84

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Solution

The fourth proportional to 5,318.97, 7,338.92 and 3,995.84 is: 5,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.97 : 7,338.92 = 3,995.84 : x
  2. Step 2: Convert to fraction form
    5,318.97/7,338.92 = 3,995.84/x
  3. Step 3: Cross multiply
    5,318.97x = 7,338.92 × 3,995.84
  4. Step 4: Simplify right side
    5,318.97x = 29,325,093.42
  5. Step 5: Solve for x
    x = 29,325,093.42/5,318.97
  6. Step 6: Final answer
    x = 5,513.30

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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.