Home / 8,764.82-12,095.44-5,621

Finding the Fourth Proportional to 8,764.82, 12,095.44 and 5,621

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Solution

The fourth proportional to 8,764.82, 12,095.44 and 5,621 is: 7,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.82 : 12,095.44 = 5,621 : x
  2. Step 2: Convert to fraction form
    8,764.82/12,095.44 = 5,621/x
  3. Step 3: Cross multiply
    8,764.82x = 12,095.44 × 5,621
  4. Step 4: Simplify right side
    8,764.82x = 67,988,440.14
  5. Step 5: Solve for x
    x = 67,988,440.14/8,764.82
  6. Step 6: Final answer
    x = 7,756.97

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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.