Home / 7,754.94-11,622.69-3,860.46

Finding the Fourth Proportional to 7,754.94, 11,622.69 and 3,860.46

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Solution

The fourth proportional to 7,754.94, 11,622.69 and 3,860.46 is: 5,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.94 : 11,622.69 = 3,860.46 : x
  2. Step 2: Convert to fraction form
    7,754.94/11,622.69 = 3,860.46/x
  3. Step 3: Cross multiply
    7,754.94x = 11,622.69 × 3,860.46
  4. Step 4: Simplify right side
    7,754.94x = 44,868,929.84
  5. Step 5: Solve for x
    x = 44,868,929.84/7,754.94
  6. Step 6: Final answer
    x = 5,785.85

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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.