Home / 8,329.21-12,497.27-3,646.80

Finding the Fourth Proportional to 8,329.21, 12,497.27 and 3,646.80

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Solution

The fourth proportional to 8,329.21, 12,497.27 and 3,646.80 is: 5,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.21 : 12,497.27 = 3,646.80 : x
  2. Step 2: Convert to fraction form
    8,329.21/12,497.27 = 3,646.80/x
  3. Step 3: Cross multiply
    8,329.21x = 12,497.27 × 3,646.80
  4. Step 4: Simplify right side
    8,329.21x = 45,575,026.00
  5. Step 5: Solve for x
    x = 45,575,026.00/8,329.21
  6. Step 6: Final answer
    x = 5,471.71

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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.