Home / 8,519.34-12,779.63-2,675.90

Finding the Fourth Proportional to 8,519.34, 12,779.63 and 2,675.90

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Solution

The fourth proportional to 8,519.34, 12,779.63 and 2,675.90 is: 4,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.34 : 12,779.63 = 2,675.90 : x
  2. Step 2: Convert to fraction form
    8,519.34/12,779.63 = 2,675.90/x
  3. Step 3: Cross multiply
    8,519.34x = 12,779.63 × 2,675.90
  4. Step 4: Simplify right side
    8,519.34x = 34,197,011.92
  5. Step 5: Solve for x
    x = 34,197,011.92/8,519.34
  6. Step 6: Final answer
    x = 4,014.04

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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.