Home / 5,272.88-7,905.65-3,193.43

Finding the Fourth Proportional to 5,272.88, 7,905.65 and 3,193.43

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Solution

The fourth proportional to 5,272.88, 7,905.65 and 3,193.43 is: 4,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.88 : 7,905.65 = 3,193.43 : x
  2. Step 2: Convert to fraction form
    5,272.88/7,905.65 = 3,193.43/x
  3. Step 3: Cross multiply
    5,272.88x = 7,905.65 × 3,193.43
  4. Step 4: Simplify right side
    5,272.88x = 25,246,084.38
  5. Step 5: Solve for x
    x = 25,246,084.38/5,272.88
  6. Step 6: Final answer
    x = 4,787.92

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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.