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Finding the Fourth Proportional to 8,797.99, 13,198.91 and 2,954.45

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Solution

The fourth proportional to 8,797.99, 13,198.91 and 2,954.45 is: 4,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.99 : 13,198.91 = 2,954.45 : x
  2. Step 2: Convert to fraction form
    8,797.99/13,198.91 = 2,954.45/x
  3. Step 3: Cross multiply
    8,797.99x = 13,198.91 × 2,954.45
  4. Step 4: Simplify right side
    8,797.99x = 38,995,438.88
  5. Step 5: Solve for x
    x = 38,995,438.88/8,797.99
  6. Step 6: Final answer
    x = 4,432.31

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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.