Home / 7,986.96-11,021.85-5,004.45

Finding the Fourth Proportional to 7,986.96, 11,021.85 and 5,004.45

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Solution

The fourth proportional to 7,986.96, 11,021.85 and 5,004.45 is: 6,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.96 : 11,021.85 = 5,004.45 : x
  2. Step 2: Convert to fraction form
    7,986.96/11,021.85 = 5,004.45/x
  3. Step 3: Cross multiply
    7,986.96x = 11,021.85 × 5,004.45
  4. Step 4: Simplify right side
    7,986.96x = 55,158,297.23
  5. Step 5: Solve for x
    x = 55,158,297.23/7,986.96
  6. Step 6: Final answer
    x = 6,906.04

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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.