Home / 8,769.29-13,159.69-3,222.68

Finding the Fourth Proportional to 8,769.29, 13,159.69 and 3,222.68

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Solution

The fourth proportional to 8,769.29, 13,159.69 and 3,222.68 is: 4,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.29 : 13,159.69 = 3,222.68 : x
  2. Step 2: Convert to fraction form
    8,769.29/13,159.69 = 3,222.68/x
  3. Step 3: Cross multiply
    8,769.29x = 13,159.69 × 3,222.68
  4. Step 4: Simplify right side
    8,769.29x = 42,409,469.77
  5. Step 5: Solve for x
    x = 42,409,469.77/8,769.29
  6. Step 6: Final answer
    x = 4,836.13

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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.