Home / 8,463.24-12,696.30-2,620.20

Finding the Fourth Proportional to 8,463.24, 12,696.30 and 2,620.20

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Solution

The fourth proportional to 8,463.24, 12,696.30 and 2,620.20 is: 3,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.24 : 12,696.30 = 2,620.20 : x
  2. Step 2: Convert to fraction form
    8,463.24/12,696.30 = 2,620.20/x
  3. Step 3: Cross multiply
    8,463.24x = 12,696.30 × 2,620.20
  4. Step 4: Simplify right side
    8,463.24x = 33,266,845.26
  5. Step 5: Solve for x
    x = 33,266,845.26/8,463.24
  6. Step 6: Final answer
    x = 3,930.75

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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.