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Finding the Fourth Proportional to 8,042.22, 12,037.82 and 7,736.04

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Solution

The fourth proportional to 8,042.22, 12,037.82 and 7,736.04 is: 11,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.22 : 12,037.82 = 7,736.04 : x
  2. Step 2: Convert to fraction form
    8,042.22/12,037.82 = 7,736.04/x
  3. Step 3: Cross multiply
    8,042.22x = 12,037.82 × 7,736.04
  4. Step 4: Simplify right side
    8,042.22x = 93,125,018.35
  5. Step 5: Solve for x
    x = 93,125,018.35/8,042.22
  6. Step 6: Final answer
    x = 11,579.52

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1.5x scale

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.