Home / 5,628.29-7,764.66-3,950.83

Finding the Fourth Proportional to 5,628.29, 7,764.66 and 3,950.83

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Solution

The fourth proportional to 5,628.29, 7,764.66 and 3,950.83 is: 5,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.29 : 7,764.66 = 3,950.83 : x
  2. Step 2: Convert to fraction form
    5,628.29/7,764.66 = 3,950.83/x
  3. Step 3: Cross multiply
    5,628.29x = 7,764.66 × 3,950.83
  4. Step 4: Simplify right side
    5,628.29x = 30,676,817.70
  5. Step 5: Solve for x
    x = 30,676,817.70/5,628.29
  6. Step 6: Final answer
    x = 5,450.47

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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.