Home / 7,757.78-11,636.70-3,144.02

Finding the Fourth Proportional to 7,757.78, 11,636.70 and 3,144.02

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Solution

The fourth proportional to 7,757.78, 11,636.70 and 3,144.02 is: 4,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.78 : 11,636.70 = 3,144.02 : x
  2. Step 2: Convert to fraction form
    7,757.78/11,636.70 = 3,144.02/x
  3. Step 3: Cross multiply
    7,757.78x = 11,636.70 × 3,144.02
  4. Step 4: Simplify right side
    7,757.78x = 36,586,017.53
  5. Step 5: Solve for x
    x = 36,586,017.53/7,757.78
  6. Step 6: Final answer
    x = 4,716.04

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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.