Home / 4,812.60-6,638.67-2,822.73

Finding the Fourth Proportional to 4,812.60, 6,638.67 and 2,822.73

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Solution

The fourth proportional to 4,812.60, 6,638.67 and 2,822.73 is: 3,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.60 : 6,638.67 = 2,822.73 : x
  2. Step 2: Convert to fraction form
    4,812.60/6,638.67 = 2,822.73/x
  3. Step 3: Cross multiply
    4,812.60x = 6,638.67 × 2,822.73
  4. Step 4: Simplify right side
    4,812.60x = 18,739,172.97
  5. Step 5: Solve for x
    x = 18,739,172.97/4,812.60
  6. Step 6: Final answer
    x = 3,893.77

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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.