Home / 4,254.54-5,869.59-3,138.17

Finding the Fourth Proportional to 4,254.54, 5,869.59 and 3,138.17

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Solution

The fourth proportional to 4,254.54, 5,869.59 and 3,138.17 is: 4,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.54 : 5,869.59 = 3,138.17 : x
  2. Step 2: Convert to fraction form
    4,254.54/5,869.59 = 3,138.17/x
  3. Step 3: Cross multiply
    4,254.54x = 5,869.59 × 3,138.17
  4. Step 4: Simplify right side
    4,254.54x = 18,419,741.90
  5. Step 5: Solve for x
    x = 18,419,741.90/4,254.54
  6. Step 6: Final answer
    x = 4,329.43

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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.