Home / 8,206.31-12,311.29-2,362.46

Finding the Fourth Proportional to 8,206.31, 12,311.29 and 2,362.46

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Solution

The fourth proportional to 8,206.31, 12,311.29 and 2,362.46 is: 3,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.31 : 12,311.29 = 2,362.46 : x
  2. Step 2: Convert to fraction form
    8,206.31/12,311.29 = 2,362.46/x
  3. Step 3: Cross multiply
    8,206.31x = 12,311.29 × 2,362.46
  4. Step 4: Simplify right side
    8,206.31x = 29,084,940.82
  5. Step 5: Solve for x
    x = 29,084,940.82/8,206.31
  6. Step 6: Final answer
    x = 3,544.22

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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.