Home / 5,520.24-8,283.62-2,188.81

Finding the Fourth Proportional to 5,520.24, 8,283.62 and 2,188.81

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Solution

The fourth proportional to 5,520.24, 8,283.62 and 2,188.81 is: 3,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.24 : 8,283.62 = 2,188.81 : x
  2. Step 2: Convert to fraction form
    5,520.24/8,283.62 = 2,188.81/x
  3. Step 3: Cross multiply
    5,520.24x = 8,283.62 × 2,188.81
  4. Step 4: Simplify right side
    5,520.24x = 18,131,270.29
  5. Step 5: Solve for x
    x = 18,131,270.29/5,520.24
  6. Step 6: Final answer
    x = 3,284.51

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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.