Home / 5,488.58-8,231.65-1,789.83

Finding the Fourth Proportional to 5,488.58, 8,231.65 and 1,789.83

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Solution

The fourth proportional to 5,488.58, 8,231.65 and 1,789.83 is: 2,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.58 : 8,231.65 = 1,789.83 : x
  2. Step 2: Convert to fraction form
    5,488.58/8,231.65 = 1,789.83/x
  3. Step 3: Cross multiply
    5,488.58x = 8,231.65 × 1,789.83
  4. Step 4: Simplify right side
    5,488.58x = 14,733,249.64
  5. Step 5: Solve for x
    x = 14,733,249.64/5,488.58
  6. Step 6: Final answer
    x = 2,684.35

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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.