Home / 7,380.92-11,073.41-3,678.68

Finding the Fourth Proportional to 7,380.92, 11,073.41 and 3,678.68

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Solution

The fourth proportional to 7,380.92, 11,073.41 and 3,678.68 is: 5,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.92 : 11,073.41 = 3,678.68 : x
  2. Step 2: Convert to fraction form
    7,380.92/11,073.41 = 3,678.68/x
  3. Step 3: Cross multiply
    7,380.92x = 11,073.41 × 3,678.68
  4. Step 4: Simplify right side
    7,380.92x = 40,735,513.51
  5. Step 5: Solve for x
    x = 40,735,513.51/7,380.92
  6. Step 6: Final answer
    x = 5,519.03

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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.