Home / 4,239.79-5,851.98-2,728.37

Finding the Fourth Proportional to 4,239.79, 5,851.98 and 2,728.37

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Solution

The fourth proportional to 4,239.79, 5,851.98 and 2,728.37 is: 3,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.79 : 5,851.98 = 2,728.37 : x
  2. Step 2: Convert to fraction form
    4,239.79/5,851.98 = 2,728.37/x
  3. Step 3: Cross multiply
    4,239.79x = 5,851.98 × 2,728.37
  4. Step 4: Simplify right side
    4,239.79x = 15,966,344.49
  5. Step 5: Solve for x
    x = 15,966,344.49/4,239.79
  6. Step 6: Final answer
    x = 3,765.83

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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.