Home / 8,599.21-12,889.68-5,469.37

Finding the Fourth Proportional to 8,599.21, 12,889.68 and 5,469.37

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Solution

The fourth proportional to 8,599.21, 12,889.68 and 5,469.37 is: 8,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.21 : 12,889.68 = 5,469.37 : x
  2. Step 2: Convert to fraction form
    8,599.21/12,889.68 = 5,469.37/x
  3. Step 3: Cross multiply
    8,599.21x = 12,889.68 × 5,469.37
  4. Step 4: Simplify right side
    8,599.21x = 70,498,429.10
  5. Step 5: Solve for x
    x = 70,498,429.10/8,599.21
  6. Step 6: Final answer
    x = 8,198.24

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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.