Home / 5,438.82-8,160.96-2,154.67

Finding the Fourth Proportional to 5,438.82, 8,160.96 and 2,154.67

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Solution

The fourth proportional to 5,438.82, 8,160.96 and 2,154.67 is: 3,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.82 : 8,160.96 = 2,154.67 : x
  2. Step 2: Convert to fraction form
    5,438.82/8,160.96 = 2,154.67/x
  3. Step 3: Cross multiply
    5,438.82x = 8,160.96 × 2,154.67
  4. Step 4: Simplify right side
    5,438.82x = 17,584,175.68
  5. Step 5: Solve for x
    x = 17,584,175.68/5,438.82
  6. Step 6: Final answer
    x = 3,233.09

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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.