Home / 7,872.42-11,805.86-2,324.30

Finding the Fourth Proportional to 7,872.42, 11,805.86 and 2,324.30

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Solution

The fourth proportional to 7,872.42, 11,805.86 and 2,324.30 is: 3,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.42 : 11,805.86 = 2,324.30 : x
  2. Step 2: Convert to fraction form
    7,872.42/11,805.86 = 2,324.30/x
  3. Step 3: Cross multiply
    7,872.42x = 11,805.86 × 2,324.30
  4. Step 4: Simplify right side
    7,872.42x = 27,440,289.75
  5. Step 5: Solve for x
    x = 27,440,289.75/7,872.42
  6. Step 6: Final answer
    x = 3,485.62

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1.5x scale

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.