Home / 5,221.32-7,202.70-4,227.72

Finding the Fourth Proportional to 5,221.32, 7,202.70 and 4,227.72

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Solution

The fourth proportional to 5,221.32, 7,202.70 and 4,227.72 is: 5,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.32 : 7,202.70 = 4,227.72 : x
  2. Step 2: Convert to fraction form
    5,221.32/7,202.70 = 4,227.72/x
  3. Step 3: Cross multiply
    5,221.32x = 7,202.70 × 4,227.72
  4. Step 4: Simplify right side
    5,221.32x = 30,450,998.84
  5. Step 5: Solve for x
    x = 30,450,998.84/5,221.32
  6. Step 6: Final answer
    x = 5,832.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.