Home / 7,385.96-11,078.91-3,003.38

Finding the Fourth Proportional to 7,385.96, 11,078.91 and 3,003.38

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Solution

The fourth proportional to 7,385.96, 11,078.91 and 3,003.38 is: 4,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.96 : 11,078.91 = 3,003.38 : x
  2. Step 2: Convert to fraction form
    7,385.96/11,078.91 = 3,003.38/x
  3. Step 3: Cross multiply
    7,385.96x = 11,078.91 × 3,003.38
  4. Step 4: Simplify right side
    7,385.96x = 33,274,176.72
  5. Step 5: Solve for x
    x = 33,274,176.72/7,385.96
  6. Step 6: Final answer
    x = 4,505.06

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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.