Home / 4,878.97-6,732.95-2,640.83

Finding the Fourth Proportional to 4,878.97, 6,732.95 and 2,640.83

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Solution

The fourth proportional to 4,878.97, 6,732.95 and 2,640.83 is: 3,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.97 : 6,732.95 = 2,640.83 : x
  2. Step 2: Convert to fraction form
    4,878.97/6,732.95 = 2,640.83/x
  3. Step 3: Cross multiply
    4,878.97x = 6,732.95 × 2,640.83
  4. Step 4: Simplify right side
    4,878.97x = 17,780,576.35
  5. Step 5: Solve for x
    x = 17,780,576.35/4,878.97
  6. Step 6: Final answer
    x = 3,644.33

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1.5x scale

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.