Home / 8,463.36-12,696.40-2,619.96

Finding the Fourth Proportional to 8,463.36, 12,696.40 and 2,619.96

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Solution

The fourth proportional to 8,463.36, 12,696.40 and 2,619.96 is: 3,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.36 : 12,696.40 = 2,619.96 : x
  2. Step 2: Convert to fraction form
    8,463.36/12,696.40 = 2,619.96/x
  3. Step 3: Cross multiply
    8,463.36x = 12,696.40 × 2,619.96
  4. Step 4: Simplify right side
    8,463.36x = 33,264,060.14
  5. Step 5: Solve for x
    x = 33,264,060.14/8,463.36
  6. Step 6: Final answer
    x = 3,930.36

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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.