Home / 4,812.62-7,217.90-2,809.98

Finding the Fourth Proportional to 4,812.62, 7,217.90 and 2,809.98

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Solution

The fourth proportional to 4,812.62, 7,217.90 and 2,809.98 is: 4,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.62 : 7,217.90 = 2,809.98 : x
  2. Step 2: Convert to fraction form
    4,812.62/7,217.90 = 2,809.98/x
  3. Step 3: Cross multiply
    4,812.62x = 7,217.90 × 2,809.98
  4. Step 4: Simplify right side
    4,812.62x = 20,282,161.67
  5. Step 5: Solve for x
    x = 20,282,161.67/4,812.62
  6. Step 6: Final answer
    x = 4,214.37

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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.