Home / 5,163.39-7,740.45-2,529.39

Finding the Fourth Proportional to 5,163.39, 7,740.45 and 2,529.39

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Solution

The fourth proportional to 5,163.39, 7,740.45 and 2,529.39 is: 3,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.39 : 7,740.45 = 2,529.39 : x
  2. Step 2: Convert to fraction form
    5,163.39/7,740.45 = 2,529.39/x
  3. Step 3: Cross multiply
    5,163.39x = 7,740.45 × 2,529.39
  4. Step 4: Simplify right side
    5,163.39x = 19,578,616.83
  5. Step 5: Solve for x
    x = 19,578,616.83/5,163.39
  6. Step 6: Final answer
    x = 3,791.81

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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.