Home / 4,618.46-6,920.57-3,135.75

Finding the Fourth Proportional to 4,618.46, 6,920.57 and 3,135.75

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Solution

The fourth proportional to 4,618.46, 6,920.57 and 3,135.75 is: 4,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.46 : 6,920.57 = 3,135.75 : x
  2. Step 2: Convert to fraction form
    4,618.46/6,920.57 = 3,135.75/x
  3. Step 3: Cross multiply
    4,618.46x = 6,920.57 × 3,135.75
  4. Step 4: Simplify right side
    4,618.46x = 21,701,161.70
  5. Step 5: Solve for x
    x = 21,701,161.70/4,618.46
  6. Step 6: Final answer
    x = 4,698.79

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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.