Home / 4,371.96-6,557.76-1,906.78

Finding the Fourth Proportional to 4,371.96, 6,557.76 and 1,906.78

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Solution

The fourth proportional to 4,371.96, 6,557.76 and 1,906.78 is: 2,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.96 : 6,557.76 = 1,906.78 : x
  2. Step 2: Convert to fraction form
    4,371.96/6,557.76 = 1,906.78/x
  3. Step 3: Cross multiply
    4,371.96x = 6,557.76 × 1,906.78
  4. Step 4: Simplify right side
    4,371.96x = 12,504,205.61
  5. Step 5: Solve for x
    x = 12,504,205.61/4,371.96
  6. Step 6: Final answer
    x = 2,860.09

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1.5x scale

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.