Home / 7,936.88-11,907.16-2,742.76

Finding the Fourth Proportional to 7,936.88, 11,907.16 and 2,742.76

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Solution

The fourth proportional to 7,936.88, 11,907.16 and 2,742.76 is: 4,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.88 : 11,907.16 = 2,742.76 : x
  2. Step 2: Convert to fraction form
    7,936.88/11,907.16 = 2,742.76/x
  3. Step 3: Cross multiply
    7,936.88x = 11,907.16 × 2,742.76
  4. Step 4: Simplify right side
    7,936.88x = 32,658,482.16
  5. Step 5: Solve for x
    x = 32,658,482.16/7,936.88
  6. Step 6: Final answer
    x = 4,114.78

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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.