Home / 3,866.24-5,333.37-2,747.63

Finding the Fourth Proportional to 3,866.24, 5,333.37 and 2,747.63

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Solution

The fourth proportional to 3,866.24, 5,333.37 and 2,747.63 is: 3,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.24 : 5,333.37 = 2,747.63 : x
  2. Step 2: Convert to fraction form
    3,866.24/5,333.37 = 2,747.63/x
  3. Step 3: Cross multiply
    3,866.24x = 5,333.37 × 2,747.63
  4. Step 4: Simplify right side
    3,866.24x = 14,654,127.41
  5. Step 5: Solve for x
    x = 14,654,127.41/3,866.24
  6. Step 6: Final answer
    x = 3,790.28

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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.