Home / 8,239.69-12,359.96-2,396.77

Finding the Fourth Proportional to 8,239.69, 12,359.96 and 2,396.77

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Solution

The fourth proportional to 8,239.69, 12,359.96 and 2,396.77 is: 3,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.69 : 12,359.96 = 2,396.77 : x
  2. Step 2: Convert to fraction form
    8,239.69/12,359.96 = 2,396.77/x
  3. Step 3: Cross multiply
    8,239.69x = 12,359.96 × 2,396.77
  4. Step 4: Simplify right side
    8,239.69x = 29,623,981.33
  5. Step 5: Solve for x
    x = 29,623,981.33/8,239.69
  6. Step 6: Final answer
    x = 3,595.28

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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.