Home / 5,228.84-7,214.90-3,103.88

Finding the Fourth Proportional to 5,228.84, 7,214.90 and 3,103.88

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Solution

The fourth proportional to 5,228.84, 7,214.90 and 3,103.88 is: 4,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.84 : 7,214.90 = 3,103.88 : x
  2. Step 2: Convert to fraction form
    5,228.84/7,214.90 = 3,103.88/x
  3. Step 3: Cross multiply
    5,228.84x = 7,214.90 × 3,103.88
  4. Step 4: Simplify right side
    5,228.84x = 22,394,183.81
  5. Step 5: Solve for x
    x = 22,394,183.81/5,228.84
  6. Step 6: Final answer
    x = 4,282.82

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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.