Home / 4,157.64-6,237.18-2,212.20

Finding the Fourth Proportional to 4,157.64, 6,237.18 and 2,212.20

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Solution

The fourth proportional to 4,157.64, 6,237.18 and 2,212.20 is: 3,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.64 : 6,237.18 = 2,212.20 : x
  2. Step 2: Convert to fraction form
    4,157.64/6,237.18 = 2,212.20/x
  3. Step 3: Cross multiply
    4,157.64x = 6,237.18 × 2,212.20
  4. Step 4: Simplify right side
    4,157.64x = 13,797,889.60
  5. Step 5: Solve for x
    x = 13,797,889.60/4,157.64
  6. Step 6: Final answer
    x = 3,318.68

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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.