Home / 5,475.20-8,207.92-2,011.60

Finding the Fourth Proportional to 5,475.20, 8,207.92 and 2,011.60

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Solution

The fourth proportional to 5,475.20, 8,207.92 and 2,011.60 is: 3,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.20 : 8,207.92 = 2,011.60 : x
  2. Step 2: Convert to fraction form
    5,475.20/8,207.92 = 2,011.60/x
  3. Step 3: Cross multiply
    5,475.20x = 8,207.92 × 2,011.60
  4. Step 4: Simplify right side
    5,475.20x = 16,511,051.87
  5. Step 5: Solve for x
    x = 16,511,051.87/5,475.20
  6. Step 6: Final answer
    x = 3,015.61

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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.