Home / 8,712.33-13,064.52-2,788.07

Finding the Fourth Proportional to 8,712.33, 13,064.52 and 2,788.07

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Solution

The fourth proportional to 8,712.33, 13,064.52 and 2,788.07 is: 4,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.33 : 13,064.52 = 2,788.07 : x
  2. Step 2: Convert to fraction form
    8,712.33/13,064.52 = 2,788.07/x
  3. Step 3: Cross multiply
    8,712.33x = 13,064.52 × 2,788.07
  4. Step 4: Simplify right side
    8,712.33x = 36,424,791.37
  5. Step 5: Solve for x
    x = 36,424,791.37/8,712.33
  6. Step 6: Final answer
    x = 4,180.83

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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.