Home / 4,648.78-6,412.99-2,759.54

Finding the Fourth Proportional to 4,648.78, 6,412.99 and 2,759.54

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Solution

The fourth proportional to 4,648.78, 6,412.99 and 2,759.54 is: 3,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.78 : 6,412.99 = 2,759.54 : x
  2. Step 2: Convert to fraction form
    4,648.78/6,412.99 = 2,759.54/x
  3. Step 3: Cross multiply
    4,648.78x = 6,412.99 × 2,759.54
  4. Step 4: Simplify right side
    4,648.78x = 17,696,902.42
  5. Step 5: Solve for x
    x = 17,696,902.42/4,648.78
  6. Step 6: Final answer
    x = 3,806.78

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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.