Home / 7,305.50-10,081.59-4,163.51

Finding the Fourth Proportional to 7,305.50, 10,081.59 and 4,163.51

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Solution

The fourth proportional to 7,305.50, 10,081.59 and 4,163.51 is: 5,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.50 : 10,081.59 = 4,163.51 : x
  2. Step 2: Convert to fraction form
    7,305.50/10,081.59 = 4,163.51/x
  3. Step 3: Cross multiply
    7,305.50x = 10,081.59 × 4,163.51
  4. Step 4: Simplify right side
    7,305.50x = 41,974,800.78
  5. Step 5: Solve for x
    x = 41,974,800.78/7,305.50
  6. Step 6: Final answer
    x = 5,745.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.