Home / 9,193.72-13,788.75-2,618.14

Finding the Fourth Proportional to 9,193.72, 13,788.75 and 2,618.14

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Solution

The fourth proportional to 9,193.72, 13,788.75 and 2,618.14 is: 3,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.72 : 13,788.75 = 2,618.14 : x
  2. Step 2: Convert to fraction form
    9,193.72/13,788.75 = 2,618.14/x
  3. Step 3: Cross multiply
    9,193.72x = 13,788.75 × 2,618.14
  4. Step 4: Simplify right side
    9,193.72x = 36,100,877.93
  5. Step 5: Solve for x
    x = 36,100,877.93/9,193.72
  6. Step 6: Final answer
    x = 3,926.69

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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.