Home / 7,191.30-10,789.54-2,511.99

Finding the Fourth Proportional to 7,191.30, 10,789.54 and 2,511.99

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Solution

The fourth proportional to 7,191.30, 10,789.54 and 2,511.99 is: 3,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.30 : 10,789.54 = 2,511.99 : x
  2. Step 2: Convert to fraction form
    7,191.30/10,789.54 = 2,511.99/x
  3. Step 3: Cross multiply
    7,191.30x = 10,789.54 × 2,511.99
  4. Step 4: Simplify right side
    7,191.30x = 27,103,216.58
  5. Step 5: Solve for x
    x = 27,103,216.58/7,191.30
  6. Step 6: Final answer
    x = 3,768.89

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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.