Home / 8,623.28-12,936.18-2,777.96

Finding the Fourth Proportional to 8,623.28, 12,936.18 and 2,777.96

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Solution

The fourth proportional to 8,623.28, 12,936.18 and 2,777.96 is: 4,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.28 : 12,936.18 = 2,777.96 : x
  2. Step 2: Convert to fraction form
    8,623.28/12,936.18 = 2,777.96/x
  3. Step 3: Cross multiply
    8,623.28x = 12,936.18 × 2,777.96
  4. Step 4: Simplify right side
    8,623.28x = 35,936,190.59
  5. Step 5: Solve for x
    x = 35,936,190.59/8,623.28
  6. Step 6: Final answer
    x = 4,167.35

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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.