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Finding the Fourth Proportional to 8,797.98, 12,141.22 and 4,819.11

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Solution

The fourth proportional to 8,797.98, 12,141.22 and 4,819.11 is: 6,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.98 : 12,141.22 = 4,819.11 : x
  2. Step 2: Convert to fraction form
    8,797.98/12,141.22 = 4,819.11/x
  3. Step 3: Cross multiply
    8,797.98x = 12,141.22 × 4,819.11
  4. Step 4: Simplify right side
    8,797.98x = 58,509,860.32
  5. Step 5: Solve for x
    x = 58,509,860.32/8,797.98
  6. Step 6: Final answer
    x = 6,650.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.