Home / 6,616.96-9,131.58-3,745.46

Finding the Fourth Proportional to 6,616.96, 9,131.58 and 3,745.46

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Solution

The fourth proportional to 6,616.96, 9,131.58 and 3,745.46 is: 5,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.96 : 9,131.58 = 3,745.46 : x
  2. Step 2: Convert to fraction form
    6,616.96/9,131.58 = 3,745.46/x
  3. Step 3: Cross multiply
    6,616.96x = 9,131.58 × 3,745.46
  4. Step 4: Simplify right side
    6,616.96x = 34,201,990.46
  5. Step 5: Solve for x
    x = 34,201,990.46/6,616.96
  6. Step 6: Final answer
    x = 5,168.84

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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.