Home / 4,877.46-6,731.01-2,781.54

Finding the Fourth Proportional to 4,877.46, 6,731.01 and 2,781.54

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Solution

The fourth proportional to 4,877.46, 6,731.01 and 2,781.54 is: 3,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.46 : 6,731.01 = 2,781.54 : x
  2. Step 2: Convert to fraction form
    4,877.46/6,731.01 = 2,781.54/x
  3. Step 3: Cross multiply
    4,877.46x = 6,731.01 × 2,781.54
  4. Step 4: Simplify right side
    4,877.46x = 18,722,573.56
  5. Step 5: Solve for x
    x = 18,722,573.56/4,877.46
  6. Step 6: Final answer
    x = 3,838.59

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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.