Home / 4,142.12-6,213.90-2,195.24

Finding the Fourth Proportional to 4,142.12, 6,213.90 and 2,195.24

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Solution

The fourth proportional to 4,142.12, 6,213.90 and 2,195.24 is: 3,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.12 : 6,213.90 = 2,195.24 : x
  2. Step 2: Convert to fraction form
    4,142.12/6,213.90 = 2,195.24/x
  3. Step 3: Cross multiply
    4,142.12x = 6,213.90 × 2,195.24
  4. Step 4: Simplify right side
    4,142.12x = 13,641,001.84
  5. Step 5: Solve for x
    x = 13,641,001.84/4,142.12
  6. Step 6: Final answer
    x = 3,293.24

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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.