Home / 4,580.45-6,321.11-2,787.30

Finding the Fourth Proportional to 4,580.45, 6,321.11 and 2,787.30

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Solution

The fourth proportional to 4,580.45, 6,321.11 and 2,787.30 is: 3,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.45 : 6,321.11 = 2,787.30 : x
  2. Step 2: Convert to fraction form
    4,580.45/6,321.11 = 2,787.30/x
  3. Step 3: Cross multiply
    4,580.45x = 6,321.11 × 2,787.30
  4. Step 4: Simplify right side
    4,580.45x = 17,618,815.97
  5. Step 5: Solve for x
    x = 17,618,815.97/4,580.45
  6. Step 6: Final answer
    x = 3,846.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.