Home / 4,679.80-7,029.45-3,950.80

Finding the Fourth Proportional to 4,679.80, 7,029.45 and 3,950.80

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Solution

The fourth proportional to 4,679.80, 7,029.45 and 3,950.80 is: 5,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.80 : 7,029.45 = 3,950.80 : x
  2. Step 2: Convert to fraction form
    4,679.80/7,029.45 = 3,950.80/x
  3. Step 3: Cross multiply
    4,679.80x = 7,029.45 × 3,950.80
  4. Step 4: Simplify right side
    4,679.80x = 27,771,951.06
  5. Step 5: Solve for x
    x = 27,771,951.06/4,679.80
  6. Step 6: Final answer
    x = 5,934.43

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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.