Home / 5,475.31-8,212.14-2,011.75

Finding the Fourth Proportional to 5,475.31, 8,212.14 and 2,011.75

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Solution

The fourth proportional to 5,475.31, 8,212.14 and 2,011.75 is: 3,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.31 : 8,212.14 = 2,011.75 : x
  2. Step 2: Convert to fraction form
    5,475.31/8,212.14 = 2,011.75/x
  3. Step 3: Cross multiply
    5,475.31x = 8,212.14 × 2,011.75
  4. Step 4: Simplify right side
    5,475.31x = 16,520,772.65
  5. Step 5: Solve for x
    x = 16,520,772.65/5,475.31
  6. Step 6: Final answer
    x = 3,017.32

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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.