Home / 6,438.11-9,659.18-2,738.43

Finding the Fourth Proportional to 6,438.11, 9,659.18 and 2,738.43

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Solution

The fourth proportional to 6,438.11, 9,659.18 and 2,738.43 is: 4,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.11 : 9,659.18 = 2,738.43 : x
  2. Step 2: Convert to fraction form
    6,438.11/9,659.18 = 2,738.43/x
  3. Step 3: Cross multiply
    6,438.11x = 9,659.18 × 2,738.43
  4. Step 4: Simplify right side
    6,438.11x = 26,450,995.13
  5. Step 5: Solve for x
    x = 26,450,995.13/6,438.11
  6. Step 6: Final answer
    x = 4,108.51

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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.