Home / 5,490.97-8,237.25-1,792.43

Finding the Fourth Proportional to 5,490.97, 8,237.25 and 1,792.43

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Solution

The fourth proportional to 5,490.97, 8,237.25 and 1,792.43 is: 2,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.97 : 8,237.25 = 1,792.43 : x
  2. Step 2: Convert to fraction form
    5,490.97/8,237.25 = 1,792.43/x
  3. Step 3: Cross multiply
    5,490.97x = 8,237.25 × 1,792.43
  4. Step 4: Simplify right side
    5,490.97x = 14,764,694.02
  5. Step 5: Solve for x
    x = 14,764,694.02/5,490.97
  6. Step 6: Final answer
    x = 2,688.90

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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.