Home / 5,420.92-7,480.82-2,936.92

Finding the Fourth Proportional to 5,420.92, 7,480.82 and 2,936.92

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Solution

The fourth proportional to 5,420.92, 7,480.82 and 2,936.92 is: 4,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.92 : 7,480.82 = 2,936.92 : x
  2. Step 2: Convert to fraction form
    5,420.92/7,480.82 = 2,936.92/x
  3. Step 3: Cross multiply
    5,420.92x = 7,480.82 × 2,936.92
  4. Step 4: Simplify right side
    5,420.92x = 21,970,569.87
  5. Step 5: Solve for x
    x = 21,970,569.87/5,420.92
  6. Step 6: Final answer
    x = 4,052.92

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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.