Home / 4,025.70-5,553.90-3,080.50

Finding the Fourth Proportional to 4,025.70, 5,553.90 and 3,080.50

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Solution

The fourth proportional to 4,025.70, 5,553.90 and 3,080.50 is: 4,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.70 : 5,553.90 = 3,080.50 : x
  2. Step 2: Convert to fraction form
    4,025.70/5,553.90 = 3,080.50/x
  3. Step 3: Cross multiply
    4,025.70x = 5,553.90 × 3,080.50
  4. Step 4: Simplify right side
    4,025.70x = 17,108,775.07
  5. Step 5: Solve for x
    x = 17,108,775.07/4,025.70
  6. Step 6: Final answer
    x = 4,249.89

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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.