Home / 8,666.24-12,996.88-2,823.36

Finding the Fourth Proportional to 8,666.24, 12,996.88 and 2,823.36

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Solution

The fourth proportional to 8,666.24, 12,996.88 and 2,823.36 is: 4,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.24 : 12,996.88 = 2,823.36 : x
  2. Step 2: Convert to fraction form
    8,666.24/12,996.88 = 2,823.36/x
  3. Step 3: Cross multiply
    8,666.24x = 12,996.88 × 2,823.36
  4. Step 4: Simplify right side
    8,666.24x = 36,694,871.12
  5. Step 5: Solve for x
    x = 36,694,871.12/8,666.24
  6. Step 6: Final answer
    x = 4,234.23

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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.