Home / 4,022.60-5,553.78-3,504.20

Finding the Fourth Proportional to 4,022.60, 5,553.78 and 3,504.20

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Solution

The fourth proportional to 4,022.60, 5,553.78 and 3,504.20 is: 4,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.60 : 5,553.78 = 3,504.20 : x
  2. Step 2: Convert to fraction form
    4,022.60/5,553.78 = 3,504.20/x
  3. Step 3: Cross multiply
    4,022.60x = 5,553.78 × 3,504.20
  4. Step 4: Simplify right side
    4,022.60x = 19,461,555.88
  5. Step 5: Solve for x
    x = 19,461,555.88/4,022.60
  6. Step 6: Final answer
    x = 4,838.05

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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.