Home / 8,488.26-12,732.30-3,558.60

Finding the Fourth Proportional to 8,488.26, 12,732.30 and 3,558.60

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Solution

The fourth proportional to 8,488.26, 12,732.30 and 3,558.60 is: 5,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.26 : 12,732.30 = 3,558.60 : x
  2. Step 2: Convert to fraction form
    8,488.26/12,732.30 = 3,558.60/x
  3. Step 3: Cross multiply
    8,488.26x = 12,732.30 × 3,558.60
  4. Step 4: Simplify right side
    8,488.26x = 45,309,162.78
  5. Step 5: Solve for x
    x = 45,309,162.78/8,488.26
  6. Step 6: Final answer
    x = 5,337.86

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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.