Home / 8,192.67-12,283.79-3,811.47

Finding the Fourth Proportional to 8,192.67, 12,283.79 and 3,811.47

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Solution

The fourth proportional to 8,192.67, 12,283.79 and 3,811.47 is: 5,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.67 : 12,283.79 = 3,811.47 : x
  2. Step 2: Convert to fraction form
    8,192.67/12,283.79 = 3,811.47/x
  3. Step 3: Cross multiply
    8,192.67x = 12,283.79 × 3,811.47
  4. Step 4: Simplify right side
    8,192.67x = 46,819,278.01
  5. Step 5: Solve for x
    x = 46,819,278.01/8,192.67
  6. Step 6: Final answer
    x = 5,714.78

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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.