Home / 5,490.11-8,234.55-1,792.01

Finding the Fourth Proportional to 5,490.11, 8,234.55 and 1,792.01

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Solution

The fourth proportional to 5,490.11, 8,234.55 and 1,792.01 is: 2,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.11 : 8,234.55 = 1,792.01 : x
  2. Step 2: Convert to fraction form
    5,490.11/8,234.55 = 1,792.01/x
  3. Step 3: Cross multiply
    5,490.11x = 8,234.55 × 1,792.01
  4. Step 4: Simplify right side
    5,490.11x = 14,756,395.95
  5. Step 5: Solve for x
    x = 14,756,395.95/5,490.11
  6. Step 6: Final answer
    x = 2,687.81

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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.