Home / 5,488.23-8,230.53-1,789.47

Finding the Fourth Proportional to 5,488.23, 8,230.53 and 1,789.47

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Solution

The fourth proportional to 5,488.23, 8,230.53 and 1,789.47 is: 2,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.23 : 8,230.53 = 1,789.47 : x
  2. Step 2: Convert to fraction form
    5,488.23/8,230.53 = 1,789.47/x
  3. Step 3: Cross multiply
    5,488.23x = 8,230.53 × 1,789.47
  4. Step 4: Simplify right side
    5,488.23x = 14,728,286.52
  5. Step 5: Solve for x
    x = 14,728,286.52/5,488.23
  6. Step 6: Final answer
    x = 2,683.61

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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.