Home / 3,747.75-5,134.35-3,607.53

Finding the Fourth Proportional to 3,747.75, 5,134.35 and 3,607.53

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Solution

The fourth proportional to 3,747.75, 5,134.35 and 3,607.53 is: 4,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.75 : 5,134.35 = 3,607.53 : x
  2. Step 2: Convert to fraction form
    3,747.75/5,134.35 = 3,607.53/x
  3. Step 3: Cross multiply
    3,747.75x = 5,134.35 × 3,607.53
  4. Step 4: Simplify right side
    3,747.75x = 18,522,321.66
  5. Step 5: Solve for x
    x = 18,522,321.66/3,747.75
  6. Step 6: Final answer
    x = 4,942.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.