Home / 6,144.45-9,218.05-1,983.69

Finding the Fourth Proportional to 6,144.45, 9,218.05 and 1,983.69

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Solution

The fourth proportional to 6,144.45, 9,218.05 and 1,983.69 is: 2,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.45 : 9,218.05 = 1,983.69 : x
  2. Step 2: Convert to fraction form
    6,144.45/9,218.05 = 1,983.69/x
  3. Step 3: Cross multiply
    6,144.45x = 9,218.05 × 1,983.69
  4. Step 4: Simplify right side
    6,144.45x = 18,285,697.60
  5. Step 5: Solve for x
    x = 18,285,697.60/6,144.45
  6. Step 6: Final answer
    x = 2,975.97

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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.