Home / 5,222.20-7,833.30-4,857.70

Finding the Fourth Proportional to 5,222.20, 7,833.30 and 4,857.70

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Solution

The fourth proportional to 5,222.20, 7,833.30 and 4,857.70 is: 7,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.20 : 7,833.30 = 4,857.70 : x
  2. Step 2: Convert to fraction form
    5,222.20/7,833.30 = 4,857.70/x
  3. Step 3: Cross multiply
    5,222.20x = 7,833.30 × 4,857.70
  4. Step 4: Simplify right side
    5,222.20x = 38,051,821.41
  5. Step 5: Solve for x
    x = 38,051,821.41/5,222.20
  6. Step 6: Final answer
    x = 7,286.55

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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.