Home / 8,819.79-13,228.25-3,271.83

Finding the Fourth Proportional to 8,819.79, 13,228.25 and 3,271.83

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Solution

The fourth proportional to 8,819.79, 13,228.25 and 3,271.83 is: 4,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.79 : 13,228.25 = 3,271.83 : x
  2. Step 2: Convert to fraction form
    8,819.79/13,228.25 = 3,271.83/x
  3. Step 3: Cross multiply
    8,819.79x = 13,228.25 × 3,271.83
  4. Step 4: Simplify right side
    8,819.79x = 43,280,568.84
  5. Step 5: Solve for x
    x = 43,280,568.84/8,819.79
  6. Step 6: Final answer
    x = 4,907.21

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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.