Home / 8,799.69-13,200.83-2,558.89

Finding the Fourth Proportional to 8,799.69, 13,200.83 and 2,558.89

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Solution

The fourth proportional to 8,799.69, 13,200.83 and 2,558.89 is: 3,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.69 : 13,200.83 = 2,558.89 : x
  2. Step 2: Convert to fraction form
    8,799.69/13,200.83 = 2,558.89/x
  3. Step 3: Cross multiply
    8,799.69x = 13,200.83 × 2,558.89
  4. Step 4: Simplify right side
    8,799.69x = 33,779,471.88
  5. Step 5: Solve for x
    x = 33,779,471.88/8,799.69
  6. Step 6: Final answer
    x = 3,838.71

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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.