Home / 6,939.28-10,383.32-4,167.64

Finding the Fourth Proportional to 6,939.28, 10,383.32 and 4,167.64

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Solution

The fourth proportional to 6,939.28, 10,383.32 and 4,167.64 is: 6,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.28 : 10,383.32 = 4,167.64 : x
  2. Step 2: Convert to fraction form
    6,939.28/10,383.32 = 4,167.64/x
  3. Step 3: Cross multiply
    6,939.28x = 10,383.32 × 4,167.64
  4. Step 4: Simplify right side
    6,939.28x = 43,273,939.76
  5. Step 5: Solve for x
    x = 43,273,939.76/6,939.28
  6. Step 6: Final answer
    x = 6,236.08

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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.