Home / 4,227.21-6,340.66-1,305.51

Finding the Fourth Proportional to 4,227.21, 6,340.66 and 1,305.51

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Solution

The fourth proportional to 4,227.21, 6,340.66 and 1,305.51 is: 1,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.21 : 6,340.66 = 1,305.51 : x
  2. Step 2: Convert to fraction form
    4,227.21/6,340.66 = 1,305.51/x
  3. Step 3: Cross multiply
    4,227.21x = 6,340.66 × 1,305.51
  4. Step 4: Simplify right side
    4,227.21x = 8,277,791.77
  5. Step 5: Solve for x
    x = 8,277,791.77/4,227.21
  6. Step 6: Final answer
    x = 1,958.22

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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.