Home / 8,806.24-13,196.40-3,871.36

Finding the Fourth Proportional to 8,806.24, 13,196.40 and 3,871.36

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Solution

The fourth proportional to 8,806.24, 13,196.40 and 3,871.36 is: 5,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.24 : 13,196.40 = 3,871.36 : x
  2. Step 2: Convert to fraction form
    8,806.24/13,196.40 = 3,871.36/x
  3. Step 3: Cross multiply
    8,806.24x = 13,196.40 × 3,871.36
  4. Step 4: Simplify right side
    8,806.24x = 51,088,015.10
  5. Step 5: Solve for x
    x = 51,088,015.10/8,806.24
  6. Step 6: Final answer
    x = 5,801.34

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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.