Home / 4,239.40-5,843.46-3,306.28

Finding the Fourth Proportional to 4,239.40, 5,843.46 and 3,306.28

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Solution

The fourth proportional to 4,239.40, 5,843.46 and 3,306.28 is: 4,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.40 : 5,843.46 = 3,306.28 : x
  2. Step 2: Convert to fraction form
    4,239.40/5,843.46 = 3,306.28/x
  3. Step 3: Cross multiply
    4,239.40x = 5,843.46 × 3,306.28
  4. Step 4: Simplify right side
    4,239.40x = 19,320,114.93
  5. Step 5: Solve for x
    x = 19,320,114.93/4,239.40
  6. Step 6: Final answer
    x = 4,557.28

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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.