Home / 8,052.03-12,078.45-2,787.30

Finding the Fourth Proportional to 8,052.03, 12,078.45 and 2,787.30

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Solution

The fourth proportional to 8,052.03, 12,078.45 and 2,787.30 is: 4,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.03 : 12,078.45 = 2,787.30 : x
  2. Step 2: Convert to fraction form
    8,052.03/12,078.45 = 2,787.30/x
  3. Step 3: Cross multiply
    8,052.03x = 12,078.45 × 2,787.30
  4. Step 4: Simplify right side
    8,052.03x = 33,666,263.69
  5. Step 5: Solve for x
    x = 33,666,263.69/8,052.03
  6. Step 6: Final answer
    x = 4,181.09

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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.