Home / 8,759.16-13,137.50-2,519.70

Finding the Fourth Proportional to 8,759.16, 13,137.50 and 2,519.70

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Solution

The fourth proportional to 8,759.16, 13,137.50 and 2,519.70 is: 3,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.16 : 13,137.50 = 2,519.70 : x
  2. Step 2: Convert to fraction form
    8,759.16/13,137.50 = 2,519.70/x
  3. Step 3: Cross multiply
    8,759.16x = 13,137.50 × 2,519.70
  4. Step 4: Simplify right side
    8,759.16x = 33,102,558.75
  5. Step 5: Solve for x
    x = 33,102,558.75/8,759.16
  6. Step 6: Final answer
    x = 3,779.19

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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.