Home / 4,221.42-6,332.13-1,623.75

Finding the Fourth Proportional to 4,221.42, 6,332.13 and 1,623.75

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Solution

The fourth proportional to 4,221.42, 6,332.13 and 1,623.75 is: 2,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.42 : 6,332.13 = 1,623.75 : x
  2. Step 2: Convert to fraction form
    4,221.42/6,332.13 = 1,623.75/x
  3. Step 3: Cross multiply
    4,221.42x = 6,332.13 × 1,623.75
  4. Step 4: Simplify right side
    4,221.42x = 10,281,796.09
  5. Step 5: Solve for x
    x = 10,281,796.09/4,221.42
  6. Step 6: Final answer
    x = 2,435.63

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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.