Home / 4,679.75-6,458.88-2,791.45

Finding the Fourth Proportional to 4,679.75, 6,458.88 and 2,791.45

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Solution

The fourth proportional to 4,679.75, 6,458.88 and 2,791.45 is: 3,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.75 : 6,458.88 = 2,791.45 : x
  2. Step 2: Convert to fraction form
    4,679.75/6,458.88 = 2,791.45/x
  3. Step 3: Cross multiply
    4,679.75x = 6,458.88 × 2,791.45
  4. Step 4: Simplify right side
    4,679.75x = 18,029,640.58
  5. Step 5: Solve for x
    x = 18,029,640.58/4,679.75
  6. Step 6: Final answer
    x = 3,852.69

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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.