Home / 7,285.33-10,912.20-4,512.70

Finding the Fourth Proportional to 7,285.33, 10,912.20 and 4,512.70

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Solution

The fourth proportional to 7,285.33, 10,912.20 and 4,512.70 is: 6,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.33 : 10,912.20 = 4,512.70 : x
  2. Step 2: Convert to fraction form
    7,285.33/10,912.20 = 4,512.70/x
  3. Step 3: Cross multiply
    7,285.33x = 10,912.20 × 4,512.70
  4. Step 4: Simplify right side
    7,285.33x = 49,243,484.94
  5. Step 5: Solve for x
    x = 49,243,484.94/7,285.33
  6. Step 6: Final answer
    x = 6,759.27

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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.