Home / 8,433.14-12,649.72-2,192.63

Finding the Fourth Proportional to 8,433.14, 12,649.72 and 2,192.63

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Solution

The fourth proportional to 8,433.14, 12,649.72 and 2,192.63 is: 3,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.14 : 12,649.72 = 2,192.63 : x
  2. Step 2: Convert to fraction form
    8,433.14/12,649.72 = 2,192.63/x
  3. Step 3: Cross multiply
    8,433.14x = 12,649.72 × 2,192.63
  4. Step 4: Simplify right side
    8,433.14x = 27,736,086.83
  5. Step 5: Solve for x
    x = 27,736,086.83/8,433.14
  6. Step 6: Final answer
    x = 3,288.94

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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.