Home / 8,819.29-13,228.12-2,975.95

Finding the Fourth Proportional to 8,819.29, 13,228.12 and 2,975.95

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Solution

The fourth proportional to 8,819.29, 13,228.12 and 2,975.95 is: 4,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.29 : 13,228.12 = 2,975.95 : x
  2. Step 2: Convert to fraction form
    8,819.29/13,228.12 = 2,975.95/x
  3. Step 3: Cross multiply
    8,819.29x = 13,228.12 × 2,975.95
  4. Step 4: Simplify right side
    8,819.29x = 39,366,142.69
  5. Step 5: Solve for x
    x = 39,366,142.69/8,819.29
  6. Step 6: Final answer
    x = 4,463.64

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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.