Home / 8,252.72-12,378.08-2,409.34

Finding the Fourth Proportional to 8,252.72, 12,378.08 and 2,409.34

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Solution

The fourth proportional to 8,252.72, 12,378.08 and 2,409.34 is: 3,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.72 : 12,378.08 = 2,409.34 : x
  2. Step 2: Convert to fraction form
    8,252.72/12,378.08 = 2,409.34/x
  3. Step 3: Cross multiply
    8,252.72x = 12,378.08 × 2,409.34
  4. Step 4: Simplify right side
    8,252.72x = 29,822,929.33
  5. Step 5: Solve for x
    x = 29,822,929.33/8,252.72
  6. Step 6: Final answer
    x = 3,613.71

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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.