Home / 8,116.16-12,179.09-2,922.44

Finding the Fourth Proportional to 8,116.16, 12,179.09 and 2,922.44

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Solution

The fourth proportional to 8,116.16, 12,179.09 and 2,922.44 is: 4,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.16 : 12,179.09 = 2,922.44 : x
  2. Step 2: Convert to fraction form
    8,116.16/12,179.09 = 2,922.44/x
  3. Step 3: Cross multiply
    8,116.16x = 12,179.09 × 2,922.44
  4. Step 4: Simplify right side
    8,116.16x = 35,592,606.19
  5. Step 5: Solve for x
    x = 35,592,606.19/8,116.16
  6. Step 6: Final answer
    x = 4,385.40

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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.