Home / 8,769.80-13,155.54-2,926.82

Finding the Fourth Proportional to 8,769.80, 13,155.54 and 2,926.82

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Solution

The fourth proportional to 8,769.80, 13,155.54 and 2,926.82 is: 4,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.80 : 13,155.54 = 2,926.82 : x
  2. Step 2: Convert to fraction form
    8,769.80/13,155.54 = 2,926.82/x
  3. Step 3: Cross multiply
    8,769.80x = 13,155.54 × 2,926.82
  4. Step 4: Simplify right side
    8,769.80x = 38,503,897.58
  5. Step 5: Solve for x
    x = 38,503,897.58/8,769.80
  6. Step 6: Final answer
    x = 4,390.51

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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.