Home / 4,215.50-6,324.06-1,907

Finding the Fourth Proportional to 4,215.50, 6,324.06 and 1,907

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Solution

The fourth proportional to 4,215.50, 6,324.06 and 1,907 is: 2,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.50 : 6,324.06 = 1,907 : x
  2. Step 2: Convert to fraction form
    4,215.50/6,324.06 = 1,907/x
  3. Step 3: Cross multiply
    4,215.50x = 6,324.06 × 1,907
  4. Step 4: Simplify right side
    4,215.50x = 12,059,982.42
  5. Step 5: Solve for x
    x = 12,059,982.42/4,215.50
  6. Step 6: Final answer
    x = 2,860.87

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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.