Home / 7,940.08-11,908.90-2,744.76

Finding the Fourth Proportional to 7,940.08, 11,908.90 and 2,744.76

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Solution

The fourth proportional to 7,940.08, 11,908.90 and 2,744.76 is: 4,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.08 : 11,908.90 = 2,744.76 : x
  2. Step 2: Convert to fraction form
    7,940.08/11,908.90 = 2,744.76/x
  3. Step 3: Cross multiply
    7,940.08x = 11,908.90 × 2,744.76
  4. Step 4: Simplify right side
    7,940.08x = 32,687,072.36
  5. Step 5: Solve for x
    x = 32,687,072.36/7,940.08
  6. Step 6: Final answer
    x = 4,116.72

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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.