Home / 4,474.80-6,719.40-3,380.40

Finding the Fourth Proportional to 4,474.80, 6,719.40 and 3,380.40

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Solution

The fourth proportional to 4,474.80, 6,719.40 and 3,380.40 is: 5,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.80 : 6,719.40 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    4,474.80/6,719.40 = 3,380.40/x
  3. Step 3: Cross multiply
    4,474.80x = 6,719.40 × 3,380.40
  4. Step 4: Simplify right side
    4,474.80x = 22,714,259.76
  5. Step 5: Solve for x
    x = 22,714,259.76/4,474.80
  6. Step 6: Final answer
    x = 5,076.04

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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.