Home / 7,078.41-10,610.73-3,379.68

Finding the Fourth Proportional to 7,078.41, 10,610.73 and 3,379.68

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Solution

The fourth proportional to 7,078.41, 10,610.73 and 3,379.68 is: 5,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.41 : 10,610.73 = 3,379.68 : x
  2. Step 2: Convert to fraction form
    7,078.41/10,610.73 = 3,379.68/x
  3. Step 3: Cross multiply
    7,078.41x = 10,610.73 × 3,379.68
  4. Step 4: Simplify right side
    7,078.41x = 35,860,871.97
  5. Step 5: Solve for x
    x = 35,860,871.97/7,078.41
  6. Step 6: Final answer
    x = 5,066.23

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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.