Home / 5,520.22-8,280.33-1,623.72

Finding the Fourth Proportional to 5,520.22, 8,280.33 and 1,623.72

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Solution

The fourth proportional to 5,520.22, 8,280.33 and 1,623.72 is: 2,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.22 : 8,280.33 = 1,623.72 : x
  2. Step 2: Convert to fraction form
    5,520.22/8,280.33 = 1,623.72/x
  3. Step 3: Cross multiply
    5,520.22x = 8,280.33 × 1,623.72
  4. Step 4: Simplify right side
    5,520.22x = 13,444,912.47
  5. Step 5: Solve for x
    x = 13,444,912.47/5,520.22
  6. Step 6: Final answer
    x = 2,435.57

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Similar ratio
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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.