Home / 8,166.02-12,247.29-4,786.79

Finding the Fourth Proportional to 8,166.02, 12,247.29 and 4,786.79

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Solution

The fourth proportional to 8,166.02, 12,247.29 and 4,786.79 is: 7,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.02 : 12,247.29 = 4,786.79 : x
  2. Step 2: Convert to fraction form
    8,166.02/12,247.29 = 4,786.79/x
  3. Step 3: Cross multiply
    8,166.02x = 12,247.29 × 4,786.79
  4. Step 4: Simplify right side
    8,166.02x = 58,625,205.30
  5. Step 5: Solve for x
    x = 58,625,205.30/8,166.02
  6. Step 6: Final answer
    x = 7,179.17

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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.