Home / 5,380.79-7,425.68-3,022.88

Finding the Fourth Proportional to 5,380.79, 7,425.68 and 3,022.88

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Solution

The fourth proportional to 5,380.79, 7,425.68 and 3,022.88 is: 4,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.79 : 7,425.68 = 3,022.88 : x
  2. Step 2: Convert to fraction form
    5,380.79/7,425.68 = 3,022.88/x
  3. Step 3: Cross multiply
    5,380.79x = 7,425.68 × 3,022.88
  4. Step 4: Simplify right side
    5,380.79x = 22,446,887.32
  5. Step 5: Solve for x
    x = 22,446,887.32/5,380.79
  6. Step 6: Final answer
    x = 4,171.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.