Home / 5,459.33-8,189.51-2,171.67

Finding the Fourth Proportional to 5,459.33, 8,189.51 and 2,171.67

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Solution

The fourth proportional to 5,459.33, 8,189.51 and 2,171.67 is: 3,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.33 : 8,189.51 = 2,171.67 : x
  2. Step 2: Convert to fraction form
    5,459.33/8,189.51 = 2,171.67/x
  3. Step 3: Cross multiply
    5,459.33x = 8,189.51 × 2,171.67
  4. Step 4: Simplify right side
    5,459.33x = 17,784,902.32
  5. Step 5: Solve for x
    x = 17,784,902.32/5,459.33
  6. Step 6: Final answer
    x = 3,257.71

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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.