Home / 4,540.79-6,813.81-1,908.09

Finding the Fourth Proportional to 4,540.79, 6,813.81 and 1,908.09

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Solution

The fourth proportional to 4,540.79, 6,813.81 and 1,908.09 is: 2,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.79 : 6,813.81 = 1,908.09 : x
  2. Step 2: Convert to fraction form
    4,540.79/6,813.81 = 1,908.09/x
  3. Step 3: Cross multiply
    4,540.79x = 6,813.81 × 1,908.09
  4. Step 4: Simplify right side
    4,540.79x = 13,001,362.72
  5. Step 5: Solve for x
    x = 13,001,362.72/4,540.79
  6. Step 6: Final answer
    x = 2,863.24

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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.