Home / 8,187.78-12,284.92-2,994.06

Finding the Fourth Proportional to 8,187.78, 12,284.92 and 2,994.06

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Solution

The fourth proportional to 8,187.78, 12,284.92 and 2,994.06 is: 4,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.78 : 12,284.92 = 2,994.06 : x
  2. Step 2: Convert to fraction form
    8,187.78/12,284.92 = 2,994.06/x
  3. Step 3: Cross multiply
    8,187.78x = 12,284.92 × 2,994.06
  4. Step 4: Simplify right side
    8,187.78x = 36,781,787.58
  5. Step 5: Solve for x
    x = 36,781,787.58/8,187.78
  6. Step 6: Final answer
    x = 4,492.28

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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.