Home / 4,642.33-6,961.74-1,680.43

Finding the Fourth Proportional to 4,642.33, 6,961.74 and 1,680.43

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Solution

The fourth proportional to 4,642.33, 6,961.74 and 1,680.43 is: 2,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.33 : 6,961.74 = 1,680.43 : x
  2. Step 2: Convert to fraction form
    4,642.33/6,961.74 = 1,680.43/x
  3. Step 3: Cross multiply
    4,642.33x = 6,961.74 × 1,680.43
  4. Step 4: Simplify right side
    4,642.33x = 11,698,716.75
  5. Step 5: Solve for x
    x = 11,698,716.75/4,642.33
  6. Step 6: Final answer
    x = 2,520.01

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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.