Home / 8,719.35-13,078.99-2,876.41

Finding the Fourth Proportional to 8,719.35, 13,078.99 and 2,876.41

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Solution

The fourth proportional to 8,719.35, 13,078.99 and 2,876.41 is: 4,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.35 : 13,078.99 = 2,876.41 : x
  2. Step 2: Convert to fraction form
    8,719.35/13,078.99 = 2,876.41/x
  3. Step 3: Cross multiply
    8,719.35x = 13,078.99 × 2,876.41
  4. Step 4: Simplify right side
    8,719.35x = 37,620,537.63
  5. Step 5: Solve for x
    x = 37,620,537.63/8,719.35
  6. Step 6: Final answer
    x = 4,314.60

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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.