Home / 7,050.27-9,729.37-3,906.45

Finding the Fourth Proportional to 7,050.27, 9,729.37 and 3,906.45

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Solution

The fourth proportional to 7,050.27, 9,729.37 and 3,906.45 is: 5,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.27 : 9,729.37 = 3,906.45 : x
  2. Step 2: Convert to fraction form
    7,050.27/9,729.37 = 3,906.45/x
  3. Step 3: Cross multiply
    7,050.27x = 9,729.37 × 3,906.45
  4. Step 4: Simplify right side
    7,050.27x = 38,007,297.44
  5. Step 5: Solve for x
    x = 38,007,297.44/7,050.27
  6. Step 6: Final answer
    x = 5,390.90

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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.