Home / 8,511.35-12,769.79-3,582.36

Finding the Fourth Proportional to 8,511.35, 12,769.79 and 3,582.36

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Solution

The fourth proportional to 8,511.35, 12,769.79 and 3,582.36 is: 5,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.35 : 12,769.79 = 3,582.36 : x
  2. Step 2: Convert to fraction form
    8,511.35/12,769.79 = 3,582.36/x
  3. Step 3: Cross multiply
    8,511.35x = 12,769.79 × 3,582.36
  4. Step 4: Simplify right side
    8,511.35x = 45,745,966.99
  5. Step 5: Solve for x
    x = 45,745,966.99/8,511.35
  6. Step 6: Final answer
    x = 5,374.70

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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.