Home / 8,519.98-12,781.90-2,597.39

Finding the Fourth Proportional to 8,519.98, 12,781.90 and 2,597.39

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Solution

The fourth proportional to 8,519.98, 12,781.90 and 2,597.39 is: 3,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.98 : 12,781.90 = 2,597.39 : x
  2. Step 2: Convert to fraction form
    8,519.98/12,781.90 = 2,597.39/x
  3. Step 3: Cross multiply
    8,519.98x = 12,781.90 × 2,597.39
  4. Step 4: Simplify right side
    8,519.98x = 33,199,579.24
  5. Step 5: Solve for x
    x = 33,199,579.24/8,519.98
  6. Step 6: Final answer
    x = 3,896.67

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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.