Home / 8,530.28-12,789.37-3,260.85

Finding the Fourth Proportional to 8,530.28, 12,789.37 and 3,260.85

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Solution

The fourth proportional to 8,530.28, 12,789.37 and 3,260.85 is: 4,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.28 : 12,789.37 = 3,260.85 : x
  2. Step 2: Convert to fraction form
    8,530.28/12,789.37 = 3,260.85/x
  3. Step 3: Cross multiply
    8,530.28x = 12,789.37 × 3,260.85
  4. Step 4: Simplify right side
    8,530.28x = 41,704,272.02
  5. Step 5: Solve for x
    x = 41,704,272.02/8,530.28
  6. Step 6: Final answer
    x = 4,888.97

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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.