Home / 4,679.30-7,028.70-3,950.30

Finding the Fourth Proportional to 4,679.30, 7,028.70 and 3,950.30

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Solution

The fourth proportional to 4,679.30, 7,028.70 and 3,950.30 is: 5,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.30 : 7,028.70 = 3,950.30 : x
  2. Step 2: Convert to fraction form
    4,679.30/7,028.70 = 3,950.30/x
  3. Step 3: Cross multiply
    4,679.30x = 7,028.70 × 3,950.30
  4. Step 4: Simplify right side
    4,679.30x = 27,765,473.61
  5. Step 5: Solve for x
    x = 27,765,473.61/4,679.30
  6. Step 6: Final answer
    x = 5,933.68

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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.