Home / 5,784.06-7,982.01-3,131.49

Finding the Fourth Proportional to 5,784.06, 7,982.01 and 3,131.49

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Solution

The fourth proportional to 5,784.06, 7,982.01 and 3,131.49 is: 4,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.06 : 7,982.01 = 3,131.49 : x
  2. Step 2: Convert to fraction form
    5,784.06/7,982.01 = 3,131.49/x
  3. Step 3: Cross multiply
    5,784.06x = 7,982.01 × 3,131.49
  4. Step 4: Simplify right side
    5,784.06x = 24,995,584.49
  5. Step 5: Solve for x
    x = 24,995,584.49/5,784.06
  6. Step 6: Final answer
    x = 4,321.46

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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.