Home / 4,921.38-6,769.44-3,971.25

Finding the Fourth Proportional to 4,921.38, 6,769.44 and 3,971.25

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Solution

The fourth proportional to 4,921.38, 6,769.44 and 3,971.25 is: 5,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.38 : 6,769.44 = 3,971.25 : x
  2. Step 2: Convert to fraction form
    4,921.38/6,769.44 = 3,971.25/x
  3. Step 3: Cross multiply
    4,921.38x = 6,769.44 × 3,971.25
  4. Step 4: Simplify right side
    4,921.38x = 26,883,138.60
  5. Step 5: Solve for x
    x = 26,883,138.60/4,921.38
  6. Step 6: Final answer
    x = 5,462.52

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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.