Home / 6,145.48-9,218.72-1,983.96

Finding the Fourth Proportional to 6,145.48, 9,218.72 and 1,983.96

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Solution

The fourth proportional to 6,145.48, 9,218.72 and 1,983.96 is: 2,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.48 : 9,218.72 = 1,983.96 : x
  2. Step 2: Convert to fraction form
    6,145.48/9,218.72 = 1,983.96/x
  3. Step 3: Cross multiply
    6,145.48x = 9,218.72 × 1,983.96
  4. Step 4: Simplify right side
    6,145.48x = 18,289,571.73
  5. Step 5: Solve for x
    x = 18,289,571.73/6,145.48
  6. Step 6: Final answer
    x = 2,976.10

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Similar ratio
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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.