Home / 8,821.80-13,234.22-2,977.04

Finding the Fourth Proportional to 8,821.80, 13,234.22 and 2,977.04

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Solution

The fourth proportional to 8,821.80, 13,234.22 and 2,977.04 is: 4,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.80 : 13,234.22 = 2,977.04 : x
  2. Step 2: Convert to fraction form
    8,821.80/13,234.22 = 2,977.04/x
  3. Step 3: Cross multiply
    8,821.80x = 13,234.22 × 2,977.04
  4. Step 4: Simplify right side
    8,821.80x = 39,398,721.25
  5. Step 5: Solve for x
    x = 39,398,721.25/8,821.80
  6. Step 6: Final answer
    x = 4,466.06

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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.