Home / 4,920.55-7,374.44-1,997.26

Finding the Fourth Proportional to 4,920.55, 7,374.44 and 1,997.26

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Solution

The fourth proportional to 4,920.55, 7,374.44 and 1,997.26 is: 2,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.55 : 7,374.44 = 1,997.26 : x
  2. Step 2: Convert to fraction form
    4,920.55/7,374.44 = 1,997.26/x
  3. Step 3: Cross multiply
    4,920.55x = 7,374.44 × 1,997.26
  4. Step 4: Simplify right side
    4,920.55x = 14,728,660.59
  5. Step 5: Solve for x
    x = 14,728,660.59/4,920.55
  6. Step 6: Final answer
    x = 2,993.30

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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.