Home / 7,788.31-11,673.60-6,849.43

Finding the Fourth Proportional to 7,788.31, 11,673.60 and 6,849.43

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Solution

The fourth proportional to 7,788.31, 11,673.60 and 6,849.43 is: 10,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.31 : 11,673.60 = 6,849.43 : x
  2. Step 2: Convert to fraction form
    7,788.31/11,673.60 = 6,849.43/x
  3. Step 3: Cross multiply
    7,788.31x = 11,673.60 × 6,849.43
  4. Step 4: Simplify right side
    7,788.31x = 79,957,506.05
  5. Step 5: Solve for x
    x = 79,957,506.05/7,788.31
  6. Step 6: Final answer
    x = 10,266.35

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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.