Home / 8,327.70-12,488.61-3,649.98

Finding the Fourth Proportional to 8,327.70, 12,488.61 and 3,649.98

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Solution

The fourth proportional to 8,327.70, 12,488.61 and 3,649.98 is: 5,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.70 : 12,488.61 = 3,649.98 : x
  2. Step 2: Convert to fraction form
    8,327.70/12,488.61 = 3,649.98/x
  3. Step 3: Cross multiply
    8,327.70x = 12,488.61 × 3,649.98
  4. Step 4: Simplify right side
    8,327.70x = 45,583,176.73
  5. Step 5: Solve for x
    x = 45,583,176.73/8,327.70
  6. Step 6: Final answer
    x = 5,473.68

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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.