Home / 5,459.12-8,180.85-3,114.27

Finding the Fourth Proportional to 5,459.12, 8,180.85 and 3,114.27

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Solution

The fourth proportional to 5,459.12, 8,180.85 and 3,114.27 is: 4,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.12 : 8,180.85 = 3,114.27 : x
  2. Step 2: Convert to fraction form
    5,459.12/8,180.85 = 3,114.27/x
  3. Step 3: Cross multiply
    5,459.12x = 8,180.85 × 3,114.27
  4. Step 4: Simplify right side
    5,459.12x = 25,477,375.73
  5. Step 5: Solve for x
    x = 25,477,375.73/5,459.12
  6. Step 6: Final answer
    x = 4,666.94

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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.