Home / 5,021.33-6,928.70-2,896.70

Finding the Fourth Proportional to 5,021.33, 6,928.70 and 2,896.70

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Solution

The fourth proportional to 5,021.33, 6,928.70 and 2,896.70 is: 3,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.33 : 6,928.70 = 2,896.70 : x
  2. Step 2: Convert to fraction form
    5,021.33/6,928.70 = 2,896.70/x
  3. Step 3: Cross multiply
    5,021.33x = 6,928.70 × 2,896.70
  4. Step 4: Simplify right side
    5,021.33x = 20,070,316.16
  5. Step 5: Solve for x
    x = 20,070,316.16/5,021.33
  6. Step 6: Final answer
    x = 3,997.02

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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.