Home / 5,628.43-7,768.18-3,271.94

Finding the Fourth Proportional to 5,628.43, 7,768.18 and 3,271.94

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Solution

The fourth proportional to 5,628.43, 7,768.18 and 3,271.94 is: 4,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.43 : 7,768.18 = 3,271.94 : x
  2. Step 2: Convert to fraction form
    5,628.43/7,768.18 = 3,271.94/x
  3. Step 3: Cross multiply
    5,628.43x = 7,768.18 × 3,271.94
  4. Step 4: Simplify right side
    5,628.43x = 25,417,018.87
  5. Step 5: Solve for x
    x = 25,417,018.87/5,628.43
  6. Step 6: Final answer
    x = 4,515.83

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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.