Home / 4,308.51-6,451.80-3,947.66

Finding the Fourth Proportional to 4,308.51, 6,451.80 and 3,947.66

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Solution

The fourth proportional to 4,308.51, 6,451.80 and 3,947.66 is: 5,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.51 : 6,451.80 = 3,947.66 : x
  2. Step 2: Convert to fraction form
    4,308.51/6,451.80 = 3,947.66/x
  3. Step 3: Cross multiply
    4,308.51x = 6,451.80 × 3,947.66
  4. Step 4: Simplify right side
    4,308.51x = 25,469,480.53
  5. Step 5: Solve for x
    x = 25,469,480.53/4,308.51
  6. Step 6: Final answer
    x = 5,911.44

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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.