Home / 6,120.45-9,183.69-2,612.79

Finding the Fourth Proportional to 6,120.45, 9,183.69 and 2,612.79

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Solution

The fourth proportional to 6,120.45, 9,183.69 and 2,612.79 is: 3,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.45 : 9,183.69 = 2,612.79 : x
  2. Step 2: Convert to fraction form
    6,120.45/9,183.69 = 2,612.79/x
  3. Step 3: Cross multiply
    6,120.45x = 9,183.69 × 2,612.79
  4. Step 4: Simplify right side
    6,120.45x = 23,995,053.40
  5. Step 5: Solve for x
    x = 23,995,053.40/6,120.45
  6. Step 6: Final answer
    x = 3,920.47

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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.