Home / 8,803.31-13,195.94-3,872.03

Finding the Fourth Proportional to 8,803.31, 13,195.94 and 3,872.03

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Solution

The fourth proportional to 8,803.31, 13,195.94 and 3,872.03 is: 5,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.31 : 13,195.94 = 3,872.03 : x
  2. Step 2: Convert to fraction form
    8,803.31/13,195.94 = 3,872.03/x
  3. Step 3: Cross multiply
    8,803.31x = 13,195.94 × 3,872.03
  4. Step 4: Simplify right side
    8,803.31x = 51,094,990.22
  5. Step 5: Solve for x
    x = 51,094,990.22/8,803.31
  6. Step 6: Final answer
    x = 5,804.07

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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.