Home / 4,272.84-6,407.38-1,932.75

Finding the Fourth Proportional to 4,272.84, 6,407.38 and 1,932.75

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Solution

The fourth proportional to 4,272.84, 6,407.38 and 1,932.75 is: 2,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.84 : 6,407.38 = 1,932.75 : x
  2. Step 2: Convert to fraction form
    4,272.84/6,407.38 = 1,932.75/x
  3. Step 3: Cross multiply
    4,272.84x = 6,407.38 × 1,932.75
  4. Step 4: Simplify right side
    4,272.84x = 12,383,878.70
  5. Step 5: Solve for x
    x = 12,383,878.70/4,272.84
  6. Step 6: Final answer
    x = 2,898.28

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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.