Home / 10,620.25-15,928.58-3,222.93

Finding the Fourth Proportional to 10,620.25, 15,928.58 and 3,222.93

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Solution

The fourth proportional to 10,620.25, 15,928.58 and 3,222.93 is: 4,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.25 : 15,928.58 = 3,222.93 : x
  2. Step 2: Convert to fraction form
    10,620.25/15,928.58 = 3,222.93/x
  3. Step 3: Cross multiply
    10,620.25x = 15,928.58 × 3,222.93
  4. Step 4: Simplify right side
    10,620.25x = 51,336,698.34
  5. Step 5: Solve for x
    x = 51,336,698.34/10,620.25
  6. Step 6: Final answer
    x = 4,833.85

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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.