Home / 8,518.59-12,779.94-2,675.20

Finding the Fourth Proportional to 8,518.59, 12,779.94 and 2,675.20

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Solution

The fourth proportional to 8,518.59, 12,779.94 and 2,675.20 is: 4,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.59 : 12,779.94 = 2,675.20 : x
  2. Step 2: Convert to fraction form
    8,518.59/12,779.94 = 2,675.20/x
  3. Step 3: Cross multiply
    8,518.59x = 12,779.94 × 2,675.20
  4. Step 4: Simplify right side
    8,518.59x = 34,188,834.56
  5. Step 5: Solve for x
    x = 34,188,834.56/8,518.59
  6. Step 6: Final answer
    x = 4,013.44

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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.