Home / 7,183.94-10,776.66-1,989.82

Finding the Fourth Proportional to 7,183.94, 10,776.66 and 1,989.82

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Solution

The fourth proportional to 7,183.94, 10,776.66 and 1,989.82 is: 2,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.94 : 10,776.66 = 1,989.82 : x
  2. Step 2: Convert to fraction form
    7,183.94/10,776.66 = 1,989.82/x
  3. Step 3: Cross multiply
    7,183.94x = 10,776.66 × 1,989.82
  4. Step 4: Simplify right side
    7,183.94x = 21,443,559.72
  5. Step 5: Solve for x
    x = 21,443,559.72/7,183.94
  6. Step 6: Final answer
    x = 2,984.93

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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.