Home / 8,269.80-12,408.92-5,498.36

Finding the Fourth Proportional to 8,269.80, 12,408.92 and 5,498.36

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Solution

The fourth proportional to 8,269.80, 12,408.92 and 5,498.36 is: 8,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.80 : 12,408.92 = 5,498.36 : x
  2. Step 2: Convert to fraction form
    8,269.80/12,408.92 = 5,498.36/x
  3. Step 3: Cross multiply
    8,269.80x = 12,408.92 × 5,498.36
  4. Step 4: Simplify right side
    8,269.80x = 68,228,709.37
  5. Step 5: Solve for x
    x = 68,228,709.37/8,269.80
  6. Step 6: Final answer
    x = 8,250.35

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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.