Home / 8,821.44-13,227.12-2,977.92

Finding the Fourth Proportional to 8,821.44, 13,227.12 and 2,977.92

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Solution

The fourth proportional to 8,821.44, 13,227.12 and 2,977.92 is: 4,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.44 : 13,227.12 = 2,977.92 : x
  2. Step 2: Convert to fraction form
    8,821.44/13,227.12 = 2,977.92/x
  3. Step 3: Cross multiply
    8,821.44x = 13,227.12 × 2,977.92
  4. Step 4: Simplify right side
    8,821.44x = 39,389,305.19
  5. Step 5: Solve for x
    x = 39,389,305.19/8,821.44
  6. Step 6: Final answer
    x = 4,465.18

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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.