Home / 7,249.14-10,866.06-2,860.56

Finding the Fourth Proportional to 7,249.14, 10,866.06 and 2,860.56

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Solution

The fourth proportional to 7,249.14, 10,866.06 and 2,860.56 is: 4,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.14 : 10,866.06 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    7,249.14/10,866.06 = 2,860.56/x
  3. Step 3: Cross multiply
    7,249.14x = 10,866.06 × 2,860.56
  4. Step 4: Simplify right side
    7,249.14x = 31,083,016.59
  5. Step 5: Solve for x
    x = 31,083,016.59/7,249.14
  6. Step 6: Final answer
    x = 4,287.82

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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.