Home / 5,283.21-7,924.91-1,997.85

Finding the Fourth Proportional to 5,283.21, 7,924.91 and 1,997.85

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Solution

The fourth proportional to 5,283.21, 7,924.91 and 1,997.85 is: 2,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.21 : 7,924.91 = 1,997.85 : x
  2. Step 2: Convert to fraction form
    5,283.21/7,924.91 = 1,997.85/x
  3. Step 3: Cross multiply
    5,283.21x = 7,924.91 × 1,997.85
  4. Step 4: Simplify right side
    5,283.21x = 15,832,771.45
  5. Step 5: Solve for x
    x = 15,832,771.45/5,283.21
  6. Step 6: Final answer
    x = 2,996.81

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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.