Home / 4,179.40-6,261.90-2,202.10

Finding the Fourth Proportional to 4,179.40, 6,261.90 and 2,202.10

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Solution

The fourth proportional to 4,179.40, 6,261.90 and 2,202.10 is: 3,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.40 : 6,261.90 = 2,202.10 : x
  2. Step 2: Convert to fraction form
    4,179.40/6,261.90 = 2,202.10/x
  3. Step 3: Cross multiply
    4,179.40x = 6,261.90 × 2,202.10
  4. Step 4: Simplify right side
    4,179.40x = 13,789,329.99
  5. Step 5: Solve for x
    x = 13,789,329.99/4,179.40
  6. Step 6: Final answer
    x = 3,299.36

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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.