Home / 6,144.86-9,218.34-1,984.37

Finding the Fourth Proportional to 6,144.86, 9,218.34 and 1,984.37

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Solution

The fourth proportional to 6,144.86, 9,218.34 and 1,984.37 is: 2,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.86 : 9,218.34 = 1,984.37 : x
  2. Step 2: Convert to fraction form
    6,144.86/9,218.34 = 1,984.37/x
  3. Step 3: Cross multiply
    6,144.86x = 9,218.34 × 1,984.37
  4. Step 4: Simplify right side
    6,144.86x = 18,292,551.25
  5. Step 5: Solve for x
    x = 18,292,551.25/6,144.86
  6. Step 6: Final answer
    x = 2,976.89

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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.