Home / 7,788.52-11,685.82-3,630.44

Finding the Fourth Proportional to 7,788.52, 11,685.82 and 3,630.44

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Solution

The fourth proportional to 7,788.52, 11,685.82 and 3,630.44 is: 5,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.52 : 11,685.82 = 3,630.44 : x
  2. Step 2: Convert to fraction form
    7,788.52/11,685.82 = 3,630.44/x
  3. Step 3: Cross multiply
    7,788.52x = 11,685.82 × 3,630.44
  4. Step 4: Simplify right side
    7,788.52x = 42,424,668.36
  5. Step 5: Solve for x
    x = 42,424,668.36/7,788.52
  6. Step 6: Final answer
    x = 5,447.08

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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.