Home / 8,762.82-12,092.68-5,619

Finding the Fourth Proportional to 8,762.82, 12,092.68 and 5,619

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Solution

The fourth proportional to 8,762.82, 12,092.68 and 5,619 is: 7,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.82 : 12,092.68 = 5,619 : x
  2. Step 2: Convert to fraction form
    8,762.82/12,092.68 = 5,619/x
  3. Step 3: Cross multiply
    8,762.82x = 12,092.68 × 5,619
  4. Step 4: Simplify right side
    8,762.82x = 67,948,768.92
  5. Step 5: Solve for x
    x = 67,948,768.92/8,762.82
  6. Step 6: Final answer
    x = 7,754.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.