Home / 8,759.06-13,137.60-2,519.60

Finding the Fourth Proportional to 8,759.06, 13,137.60 and 2,519.60

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Solution

The fourth proportional to 8,759.06, 13,137.60 and 2,519.60 is: 3,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.06 : 13,137.60 = 2,519.60 : x
  2. Step 2: Convert to fraction form
    8,759.06/13,137.60 = 2,519.60/x
  3. Step 3: Cross multiply
    8,759.06x = 13,137.60 × 2,519.60
  4. Step 4: Simplify right side
    8,759.06x = 33,101,496.96
  5. Step 5: Solve for x
    x = 33,101,496.96/8,759.06
  6. Step 6: Final answer
    x = 3,779.12

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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.