Home / 4,869-7,299.24-3,222.12

Finding the Fourth Proportional to 4,869, 7,299.24 and 3,222.12

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Solution

The fourth proportional to 4,869, 7,299.24 and 3,222.12 is: 4,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869 : 7,299.24 = 3,222.12 : x
  2. Step 2: Convert to fraction form
    4,869/7,299.24 = 3,222.12/x
  3. Step 3: Cross multiply
    4,869x = 7,299.24 × 3,222.12
  4. Step 4: Simplify right side
    4,869x = 23,519,027.19
  5. Step 5: Solve for x
    x = 23,519,027.19/4,869
  6. Step 6: Final answer
    x = 4,830.36

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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.