Home / 6,999.94-9,659.41-4,015.27

Finding the Fourth Proportional to 6,999.94, 9,659.41 and 4,015.27

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Solution

The fourth proportional to 6,999.94, 9,659.41 and 4,015.27 is: 5,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.94 : 9,659.41 = 4,015.27 : x
  2. Step 2: Convert to fraction form
    6,999.94/9,659.41 = 4,015.27/x
  3. Step 3: Cross multiply
    6,999.94x = 9,659.41 × 4,015.27
  4. Step 4: Simplify right side
    6,999.94x = 38,785,139.19
  5. Step 5: Solve for x
    x = 38,785,139.19/6,999.94
  6. Step 6: Final answer
    x = 5,540.78

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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.