Home / 5,480.72-8,229.28-4,381.84

Finding the Fourth Proportional to 5,480.72, 8,229.28 and 4,381.84

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Solution

The fourth proportional to 5,480.72, 8,229.28 and 4,381.84 is: 6,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.72 : 8,229.28 = 4,381.84 : x
  2. Step 2: Convert to fraction form
    5,480.72/8,229.28 = 4,381.84/x
  3. Step 3: Cross multiply
    5,480.72x = 8,229.28 × 4,381.84
  4. Step 4: Simplify right side
    5,480.72x = 36,059,388.28
  5. Step 5: Solve for x
    x = 36,059,388.28/5,480.72
  6. Step 6: Final answer
    x = 6,579.32

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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.