Home / 7,926.80-10,940.38-5,097.68

Finding the Fourth Proportional to 7,926.80, 10,940.38 and 5,097.68

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Solution

The fourth proportional to 7,926.80, 10,940.38 and 5,097.68 is: 7,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.80 : 10,940.38 = 5,097.68 : x
  2. Step 2: Convert to fraction form
    7,926.80/10,940.38 = 5,097.68/x
  3. Step 3: Cross multiply
    7,926.80x = 10,940.38 × 5,097.68
  4. Step 4: Simplify right side
    7,926.80x = 55,770,556.32
  5. Step 5: Solve for x
    x = 55,770,556.32/7,926.80
  6. Step 6: Final answer
    x = 7,035.70

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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.