Home / 8,524.74-12,788.73-2,679.78

Finding the Fourth Proportional to 8,524.74, 12,788.73 and 2,679.78

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Solution

The fourth proportional to 8,524.74, 12,788.73 and 2,679.78 is: 4,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.74 : 12,788.73 = 2,679.78 : x
  2. Step 2: Convert to fraction form
    8,524.74/12,788.73 = 2,679.78/x
  3. Step 3: Cross multiply
    8,524.74x = 12,788.73 × 2,679.78
  4. Step 4: Simplify right side
    8,524.74x = 34,270,982.88
  5. Step 5: Solve for x
    x = 34,270,982.88/8,524.74
  6. Step 6: Final answer
    x = 4,020.18

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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.