Home / 5,955.98-8,218.66-3,438.90

Finding the Fourth Proportional to 5,955.98, 8,218.66 and 3,438.90

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Solution

The fourth proportional to 5,955.98, 8,218.66 and 3,438.90 is: 4,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.98 : 8,218.66 = 3,438.90 : x
  2. Step 2: Convert to fraction form
    5,955.98/8,218.66 = 3,438.90/x
  3. Step 3: Cross multiply
    5,955.98x = 8,218.66 × 3,438.90
  4. Step 4: Simplify right side
    5,955.98x = 28,263,149.87
  5. Step 5: Solve for x
    x = 28,263,149.87/5,955.98
  6. Step 6: Final answer
    x = 4,745.34

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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.