Home / 8,769.88-13,155-2,926.54

Finding the Fourth Proportional to 8,769.88, 13,155 and 2,926.54

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Solution

The fourth proportional to 8,769.88, 13,155 and 2,926.54 is: 4,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.88 : 13,155 = 2,926.54 : x
  2. Step 2: Convert to fraction form
    8,769.88/13,155 = 2,926.54/x
  3. Step 3: Cross multiply
    8,769.88x = 13,155 × 2,926.54
  4. Step 4: Simplify right side
    8,769.88x = 38,498,633.70
  5. Step 5: Solve for x
    x = 38,498,633.70/8,769.88
  6. Step 6: Final answer
    x = 4,389.87

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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.