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Finding the Fourth Proportional to 8,874.90, 13,303.17 and 3,324.33

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Solution

The fourth proportional to 8,874.90, 13,303.17 and 3,324.33 is: 4,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.90 : 13,303.17 = 3,324.33 : x
  2. Step 2: Convert to fraction form
    8,874.90/13,303.17 = 3,324.33/x
  3. Step 3: Cross multiply
    8,874.90x = 13,303.17 × 3,324.33
  4. Step 4: Simplify right side
    8,874.90x = 44,224,127.13
  5. Step 5: Solve for x
    x = 44,224,127.13/8,874.90
  6. Step 6: Final answer
    x = 4,983.06

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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.