Home / 7,939.53-11,906.55-3,258.21

Finding the Fourth Proportional to 7,939.53, 11,906.55 and 3,258.21

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Solution

The fourth proportional to 7,939.53, 11,906.55 and 3,258.21 is: 4,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.53 : 11,906.55 = 3,258.21 : x
  2. Step 2: Convert to fraction form
    7,939.53/11,906.55 = 3,258.21/x
  3. Step 3: Cross multiply
    7,939.53x = 11,906.55 × 3,258.21
  4. Step 4: Simplify right side
    7,939.53x = 38,794,040.28
  5. Step 5: Solve for x
    x = 38,794,040.28/7,939.53
  6. Step 6: Final answer
    x = 4,886.19

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1.5x scale

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.