Home / 4,238.11-6,357.57-2,157.22

Finding the Fourth Proportional to 4,238.11, 6,357.57 and 2,157.22

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Solution

The fourth proportional to 4,238.11, 6,357.57 and 2,157.22 is: 3,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.11 : 6,357.57 = 2,157.22 : x
  2. Step 2: Convert to fraction form
    4,238.11/6,357.57 = 2,157.22/x
  3. Step 3: Cross multiply
    4,238.11x = 6,357.57 × 2,157.22
  4. Step 4: Simplify right side
    4,238.11x = 13,714,677.16
  5. Step 5: Solve for x
    x = 13,714,677.16/4,238.11
  6. Step 6: Final answer
    x = 3,236.04

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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.