Home / 5,475.40-8,213.92-2,012.38

Finding the Fourth Proportional to 5,475.40, 8,213.92 and 2,012.38

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Solution

The fourth proportional to 5,475.40, 8,213.92 and 2,012.38 is: 3,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.40 : 8,213.92 = 2,012.38 : x
  2. Step 2: Convert to fraction form
    5,475.40/8,213.92 = 2,012.38/x
  3. Step 3: Cross multiply
    5,475.40x = 8,213.92 × 2,012.38
  4. Step 4: Simplify right side
    5,475.40x = 16,529,528.33
  5. Step 5: Solve for x
    x = 16,529,528.33/5,475.40
  6. Step 6: Final answer
    x = 3,018.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.