Home / 7,826.94-11,740.41-1,983.54

Finding the Fourth Proportional to 7,826.94, 11,740.41 and 1,983.54

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Solution

The fourth proportional to 7,826.94, 11,740.41 and 1,983.54 is: 2,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.94 : 11,740.41 = 1,983.54 : x
  2. Step 2: Convert to fraction form
    7,826.94/11,740.41 = 1,983.54/x
  3. Step 3: Cross multiply
    7,826.94x = 11,740.41 × 1,983.54
  4. Step 4: Simplify right side
    7,826.94x = 23,287,572.85
  5. Step 5: Solve for x
    x = 23,287,572.85/7,826.94
  6. Step 6: Final answer
    x = 2,975.31

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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.