Home / 5,118.57-7,073.94-3,859.17

Finding the Fourth Proportional to 5,118.57, 7,073.94 and 3,859.17

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Solution

The fourth proportional to 5,118.57, 7,073.94 and 3,859.17 is: 5,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.57 : 7,073.94 = 3,859.17 : x
  2. Step 2: Convert to fraction form
    5,118.57/7,073.94 = 3,859.17/x
  3. Step 3: Cross multiply
    5,118.57x = 7,073.94 × 3,859.17
  4. Step 4: Simplify right side
    5,118.57x = 27,299,537.03
  5. Step 5: Solve for x
    x = 27,299,537.03/5,118.57
  6. Step 6: Final answer
    x = 5,333.43

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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.