Home / 4,618.97-6,928.39-1,697.20

Finding the Fourth Proportional to 4,618.97, 6,928.39 and 1,697.20

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Solution

The fourth proportional to 4,618.97, 6,928.39 and 1,697.20 is: 2,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.97 : 6,928.39 = 1,697.20 : x
  2. Step 2: Convert to fraction form
    4,618.97/6,928.39 = 1,697.20/x
  3. Step 3: Cross multiply
    4,618.97x = 6,928.39 × 1,697.20
  4. Step 4: Simplify right side
    4,618.97x = 11,758,877.73
  5. Step 5: Solve for x
    x = 11,758,877.73/4,618.97
  6. Step 6: Final answer
    x = 2,545.78

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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.