Home / 8,788.38-13,172.85-2,940.59

Finding the Fourth Proportional to 8,788.38, 13,172.85 and 2,940.59

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Solution

The fourth proportional to 8,788.38, 13,172.85 and 2,940.59 is: 4,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.38 : 13,172.85 = 2,940.59 : x
  2. Step 2: Convert to fraction form
    8,788.38/13,172.85 = 2,940.59/x
  3. Step 3: Cross multiply
    8,788.38x = 13,172.85 × 2,940.59
  4. Step 4: Simplify right side
    8,788.38x = 38,735,885.12
  5. Step 5: Solve for x
    x = 38,735,885.12/8,788.38
  6. Step 6: Final answer
    x = 4,407.63

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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.