Home / 4,812.60-6,639.62-2,822.43

Finding the Fourth Proportional to 4,812.60, 6,639.62 and 2,822.43

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Solution

The fourth proportional to 4,812.60, 6,639.62 and 2,822.43 is: 3,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.60 : 6,639.62 = 2,822.43 : x
  2. Step 2: Convert to fraction form
    4,812.60/6,639.62 = 2,822.43/x
  3. Step 3: Cross multiply
    4,812.60x = 6,639.62 × 2,822.43
  4. Step 4: Simplify right side
    4,812.60x = 18,739,862.68
  5. Step 5: Solve for x
    x = 18,739,862.68/4,812.60
  6. Step 6: Final answer
    x = 3,893.92

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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.