Home / 8,734.43-13,103.81-2,891.63

Finding the Fourth Proportional to 8,734.43, 13,103.81 and 2,891.63

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Solution

The fourth proportional to 8,734.43, 13,103.81 and 2,891.63 is: 4,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.43 : 13,103.81 = 2,891.63 : x
  2. Step 2: Convert to fraction form
    8,734.43/13,103.81 = 2,891.63/x
  3. Step 3: Cross multiply
    8,734.43x = 13,103.81 × 2,891.63
  4. Step 4: Simplify right side
    8,734.43x = 37,891,370.11
  5. Step 5: Solve for x
    x = 37,891,370.11/8,734.43
  6. Step 6: Final answer
    x = 4,338.16

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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.