Home / 5,480.10-8,224.11-3,720.93

Finding the Fourth Proportional to 5,480.10, 8,224.11 and 3,720.93

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Solution

The fourth proportional to 5,480.10, 8,224.11 and 3,720.93 is: 5,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.10 : 8,224.11 = 3,720.93 : x
  2. Step 2: Convert to fraction form
    5,480.10/8,224.11 = 3,720.93/x
  3. Step 3: Cross multiply
    5,480.10x = 8,224.11 × 3,720.93
  4. Step 4: Simplify right side
    5,480.10x = 30,601,337.62
  5. Step 5: Solve for x
    x = 30,601,337.62/5,480.10
  6. Step 6: Final answer
    x = 5,584.08

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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.