Home / 4,878.90-6,732.80-2,725.42

Finding the Fourth Proportional to 4,878.90, 6,732.80 and 2,725.42

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Solution

The fourth proportional to 4,878.90, 6,732.80 and 2,725.42 is: 3,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.90 : 6,732.80 = 2,725.42 : x
  2. Step 2: Convert to fraction form
    4,878.90/6,732.80 = 2,725.42/x
  3. Step 3: Cross multiply
    4,878.90x = 6,732.80 × 2,725.42
  4. Step 4: Simplify right side
    4,878.90x = 18,349,707.78
  5. Step 5: Solve for x
    x = 18,349,707.78/4,878.90
  6. Step 6: Final answer
    x = 3,761.03

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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.