Home / 4,215.36-6,321.20-3,242.14

Finding the Fourth Proportional to 4,215.36, 6,321.20 and 3,242.14

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Solution

The fourth proportional to 4,215.36, 6,321.20 and 3,242.14 is: 4,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.36 : 6,321.20 = 3,242.14 : x
  2. Step 2: Convert to fraction form
    4,215.36/6,321.20 = 3,242.14/x
  3. Step 3: Cross multiply
    4,215.36x = 6,321.20 × 3,242.14
  4. Step 4: Simplify right side
    4,215.36x = 20,494,215.37
  5. Step 5: Solve for x
    x = 20,494,215.37/4,215.36
  6. Step 6: Final answer
    x = 4,861.79

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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.