Home / 8,633.58-12,946.11-2,789.43

Finding the Fourth Proportional to 8,633.58, 12,946.11 and 2,789.43

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Solution

The fourth proportional to 8,633.58, 12,946.11 and 2,789.43 is: 4,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.58 : 12,946.11 = 2,789.43 : x
  2. Step 2: Convert to fraction form
    8,633.58/12,946.11 = 2,789.43/x
  3. Step 3: Cross multiply
    8,633.58x = 12,946.11 × 2,789.43
  4. Step 4: Simplify right side
    8,633.58x = 36,112,267.62
  5. Step 5: Solve for x
    x = 36,112,267.62/8,633.58
  6. Step 6: Final answer
    x = 4,182.77

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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.